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Mihir Patel

MTech Graduate from VIT - Batch 2019 | Passionate about Engineering design and CAE

Skills Acquired at Skill-Lync :

  • HYPER-MESH
  • STRUCTURAL-MESHING
  • SHEET-METAL-MESHING
  • FEA
  • LS-DYNA
  • CFD
  • ANSYS-FLUENT
  • RADIOSS

Introduction

A motivated engineer passionate about the engineering. Have almost 2 years of industrial experience in Design and CAE. Contributed in projects with FEA, CFD and CAD. Adept in tools in like Ansys, Hypermesh, Ls-Dyna, Creo, Catia

42 Projects

1D Element Creation Bar Beam Rod Springs Mass RBE2 RBE3

Objective:

Kindly review my submission for week 4 activities

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03 Apr 2020 07:56 AM IST

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    3D meshing

    Objective:

    https://drive.google.com/open?id=1sAk2bfsvTv6fdspZaG7MGhBUddqTUgva

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    05 May 2020 03:37 AM IST

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      Different Connectors in Hypermesh

      Objective:

        Objective Create a connector and Attach the various parts of the given model  Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad elements Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weldwith 3 Layers and 5 mm Diameter…

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      27 Oct 2020 06:13 AM IST

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        Application of Batch Meshing using Hypermesh

        Objective:

        Objective: Perform Batch-meshing on the following components with the given criteria and assign the non-linear material property Steel to them. Quality Criteria:- S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 8mm…

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        09 May 2020 06:32 AM IST

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          Meshing of Hood Week 6

          Objective:

          https://drive.google.com/open?id=1Xbm12Lr2gV5IzQz-fnxplDIagSH7AO04   Kindly review week 6 challenge

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          13 Apr 2020 09:39 AM IST

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            Detailed Meshing of an automobile side door using Hypermesh

            Objective:

            Project Link https://drive.google.com/open?id=10y8ASep_Hlx5i4DV6TVPxYA3imfSwPeT   Objective: Extract the midsurface of the given component as per given quality criteria S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max.…

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            05 Feb 2021 05:04 AM IST

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              Week - 1 - Consistency of units

              Objective:

              OBJECTIVE: To obtain given measurements in different unit systems listed as below Now, here are a few system of units: Kg cm ms Kg cm s gm mm ms kg m s g cm s g cm us g mm s ton mm s slug ft s kg mm s g cm ms kg mm ms Quantity Value (given unit)     Mass 1 kg Length 1m Time 1 s Force 1 N Stress 1 Pa Energy 1…

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              16 Jun 2020 11:17 AM IST

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                Understanding Explicit and Implicit analysis method using an analytical approach

                Objective:

                OBJECTIVE: Solve the given equation F (u) = u3 + 9u2 + 4u using explicit and implicit method. Write a detailed report stating the   PROCEDURE: The equation of Force: F(u) = u3 + 9u2 + 4u Equation of stiffness can be found as below K = dF/du K = 3u2 + 18u + 4 To solve these equation and find load vs displacement effect…

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                05 Feb 2021 05:12 AM IST

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                  Week - 3 Drop test Challenge

                  Objective:

                  Objective: To create a basic simulation for drop test of a mobile on rigid plate   Procedure: Open LS prepost and import the keyword file. Go to keyword manager to create and manage different cards. Choose unit system and convert all the relevant properties in those units. Here we have used g-mm-s Create two material…

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                  30 Jun 2020 11:18 AM IST

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                    Week - 4 - crash box simulation

                    Objective:

                    OBJECTIVE: To create a simulation of crash box impact against a rigid wall at 50kmph using a LS-Dyna using elastic and plastic material and shell thickness of 1.2 mm and 1.5 mm. Based on simulation observe and compare the behaviour of the result Different case that are studied are 1) elastic with 1.2mm 2) elastic with…

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                    08 Jul 2020 01:29 PM IST

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                      Week - 5 - Modelling Spotwelds

                      Objective:

                      OBJECTIVE To model spotwelds for given assembly using beam and solid elements and simulate it and compare the results. Identify the advantages of each method     PROCEDURE The spotwelds can be created using 2 different methods i.e. using beam element and using solid element. The beam element has less complexity…

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                      13 Jul 2020 07:23 AM IST

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                        Head Impact simulation using Ls-Dyna to predict the HIC value

                        Objective:

                        Objective To simulate a Head impact on a hood at the crash velocity of 20 to 40 kmph and angle 35 to 75 degrees using Ls- Dyna. Find the HIC value for different cases using Ls – Prepost. Perform above mentioned activities by making the use of *include or *include_transform and *define_transformation to understand…

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                        05 Feb 2021 05:14 AM IST

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                          Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.

                          Objective:

                          OBJECTIVE: Perform a uniaxial tensile simulation of a solid block (10x10x10 mm) upto stretch ratio of 5 using Ogden material card with different element formulation (1,2,-1,-2) Compare the uniaxial plots for all element formulation.   PROCEDURE Defining the geometry Open the given keyword file containing the Ogden…

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                          28 Jul 2020 05:45 PM IST

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                            Week - 8 Mass Scaling

                            Objective:

                            OBJECTIVE Use the mass scaling to reduce the simulation time. Ensure mass scaling doesn’t cross 8% and the stability is intact. Use parameters DT2MS and TSSFAC to achieve this. After explicit simulation trials, check its effect on the implicit solution. Note: The times shown in this exercise is the preliminary estimated…

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                            13 Aug 2020 01:04 PM IST

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                              Week - 9 Material modeling from raw data

                              Objective:

                              OBJECTIVE Use graph digitizer to extract data point of True Stress vs True Strain of any one graph given below. Use these data points and Create a MAT24_PIECEWISE_LINEAR_PLASTICITY material card for an elastic-plastic material Verify the material card by performing a uniform tensile test on a dogbone specimen   THEORY…

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                              27 Aug 2020 08:22 AM IST

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                                Mixing efficiency

                                Objective:

                                OBJECTIVE Set up a steady state simulation of a mixing tee and compare the effectiveness for following input conditions using Ansys Fluent Hot temperature: 36 oC = 309.15 K Cold Temperature: 19 oC = 292.15 K Velocity (hot): 3m/s Momentum Ratio: velocity at cold inlet/ velocity at hot inlet = 2, 4 Specimen: Short, Long…

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                                12 Sep 2020 05:58 AM IST

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                                  Week - 10 Hyperelastic Material Models

                                  Objective:

                                  OBJECTIVE Use the given material data to build a hyper elastic material cards using Ls-Dyna Build Mooney Rivlin and Ogden material card by finding their constants using d3hsp file Perform uniaxial tensile test on Dogbone specimen with 100% strain (i.e. strain = 1) and compare the stress strain data in above cases   …

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                                  13 Sep 2020 05:27 AM IST

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                                    Joint creation using Ls-Dyna

                                    Objective:

                                    OBJECTIVE To build different joint like spherical, revolute, translational and cylindrical in Ls-Dyna. Explore Extra nodes for rigid bodies and constrained nodal rigid body for deformable bodies to build these joints. Build geometry suitable for each joint type.   THEORY Different joints can be built in Ls-Dyna using…

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                                    05 Feb 2021 05:19 AM IST

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                                      Bird Strike - Project - 2

                                      Objective:

                                      OBJECTIVE Simulate a dummy bird strike in aero engine case. Use the given material data for different objects. If the data insufficient, use reliable sources to get the missing information. Approach: Blades moving at constant rotational velocity, casing is fixed and bird is approaching the engine. Establish a unique numbering…

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                                      17 Sep 2020 09:00 AM IST

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                                        Steady Vs Unsteady flow over a cylinder

                                        Objective:

                                        OBJECTIVE To simulate the flow over cylinder and explain the phenomenon of Karmen Vortex street Part – I Simulate the phenomenon for Re = 100 using steady and transient solver. Calculate the value of Strouhal number. Part – II Calculate the drag and lift coefficient over a cylinder for Re = 10, 100, 1000, 10000,…

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                                        20 Sep 2020 11:57 AM IST

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                                          Assignment 1

                                          Objective:

                                          OBJECTIVE Generate 2D mesh for the given component using following quality criteria. Also ignore holes less than 5 mm Element size = 5 mm min size = 3.5 mm max size = 7 mm   PROCEDURE The generic process involved in generating mesh is as follows. import the model check the geometry. repair any missing feature or duplicate…

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                                          25 Sep 2020 12:15 PM IST

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                                            Ahmed Body Challenge

                                            Objective:

                                            OBJECTIVE  Setup a case for external flow dynamics over an ahmed body. Air flow velocity is 25m/s. Extract following data  Pressure and Velocity contour Drag and lift coefficients  Vector plot for the wake region Also perform grid independece study to optimum output   THEORY Ahmed body is benchmark…

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                                            26 Sep 2020 08:29 AM IST

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                                              Assignment 2

                                              Objective:

                                              1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______ Ans:  Given E = 210000 Rho = 0.0078 C = √(E/rho) = √(210000/0.0078) C = 5188.745 m/s or 5188.845 mm/ms   2. The length of the rail is about 1000 mm.calculate the time takes for a…

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                                              29 Sep 2020 05:07 PM IST

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                                                Assignment 3

                                                Objective:

                                                OBJECTIVE Perform a base simulation and extract important results like total, kinetic, internal, contact and hourglass energies, rigid wall forces Modify the properties (as shown in the below image) and rerun the simulation and compare the results. Determine if both the simulation are acceptable or not.   PROCEDURE Requried…

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                                                08 Oct 2020 04:01 PM IST

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                                                  Exhaust Port Challenge

                                                  Objective:

                                                  OBJECTIVE: Setup a case of exhaust port conjugate heat transfer simulation and study the effect of mesh size on the results. Calculate the wall heat transfer coefficient on the internal solid surface Extract velocity and temperature contours Also, explain how to verify the results.   THEORY Conjugate Heat Transfer…

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                                                  10 Oct 2020 11:29 AM IST

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                                                    Assignment 4

                                                    Objective:

                                                    OBJECTIVE Perform simulation using different material conditions as shown in the below image Observe the energy, rigid wall force, stress, and strain compare the results and choose the suitable one for practical application   THEORY Material Models Different Material models discussed in our study are as follows. 1)…

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                                                    14 Oct 2020 04:18 PM IST

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                                                      Rayleigh Taylor Instability Challenge

                                                      Objective:

                                                      OBJECTIVE Explain different CFD models used for solving Rayleigh Taylor Instability problems Perform a Rayleigh Taylor instability analysis using the Volume of Fluid (VOF) multiphase model for air and water. Repeat the process for water and user-defined material with density = 400 kg/m3, viscosity = 0.001 kg/m-s, and compare…

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                                                      19 Oct 2020 12:40 PM IST

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                                                        Assignment 5

                                                        Objective:

                                                        OBJECTIVE Part I - Create the mesh for bumper assembly, mesh size should be 6mm.  Part II - Follow the instruction given below and run the simulation for a given specimen Run the crash tube model as it is. Change the Inacti=6 and run. Create the type 11 contact and run. Remove both notches and remove boundary conditions…

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                                                        26 Oct 2020 03:22 PM IST

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                                                          Meshing an automobile side door using hypermesh

                                                          Objective:

                                                            Objective: Extract the mid surface of the given component as per the given quality criteria S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 6mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 20  …

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                                                          27 Oct 2020 06:28 AM IST

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                                                            Conjugate Heat Transfer Analysis on a graphics card.

                                                            Objective:

                                                            OBJECTIVE Setup a case of Conjugate heat transfer in a graphics card (heat generation due to processor). Run the simulation with different air velocity and understand how it helps in heat transfer. Extract the max temperature and max heat transfer coefficient on the processor. Identify differnt hotspots for the case THEORY…

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                                                            04 Nov 2020 08:56 AM IST

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                                                              Frontal Crash simulation of Dummy car model using Radioss

                                                              Objective:

                                                              OBJECTIVE Perform a frontal crash simulation of a given BIW of a car against a rigid wall using the following sets of instruction Use a consistent unit system of kg-mm-ms Assign proper interface with a friction coefficient of 0.2 and recommended parameters Ensure no penetration and intersection Rigid wall with friction…

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                                                              28 Jan 2021 06:01 AM IST

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                                                                Side Crash simulation of a Dummy car model using Radioss

                                                                Objective:

                                                                OBJECTIVE Perform a side crash simulation for the given model.+ Follow the below instructions in setting up the case Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetration and intersections. Create a rigid wall…

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                                                                28 Jan 2021 06:00 AM IST

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                                                                  Simulation of a Cyclone separator using Discrete Phase Modeling in Ansys Fluent

                                                                  Objective:

                                                                  OBJECTIVE To perform analysis on Cyclone Separator and calculate separation efficiency for given casesCase I - Size of particle = 5 um, Velocity = 1,2,3,4,5 m/sCase II - Velocity = 3m/s, size of particles = 1,2,3,4,5 um Explain different models used to determine the efficiency of cyclone separator in brief THEORY Cyclone…

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                                                                  05 Feb 2021 05:28 AM IST

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                                                                    Gearbox Sloshing Effect - Multiphase CFD using Ansys Fluent

                                                                    Objective:

                                                                    OBJECTIVE Part  - 1 Provide a brief explanation to follow topics Explain what is Dynamic Meshing? State a few examples where it is used. Explain what is Fluid Sloshing effect? Is it good or bad? What is UDF? Explain its significance. Explain common errors that occur during a CFD simulation. a) Dynamic mesh failure…

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                                                                    05 Feb 2021 05:30 AM IST

                                                                    • CFD
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                                                                    Gate Valve Parametric Study

                                                                    Objective:

                                                                    OBJECTIVE Setup gate disc lift as an input parameter and mass flow rate at the outlet as an output parameter Perform the CFD simulation for gate disc lift varying from 10% to 80% Extract mass flow rate at the outlet, flow coefficient, and flow factor. Discuss the results.   THEORY Gate Valve A gate valve, also…

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                                                                    28 Dec 2020 03:34 PM IST

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                                                                      Week 1 Stress Concentration on a Plate with hole

                                                                      Objective:

                                                                      OBJECTIVE Design a Plate with a hole in the center and perform a static structural simulation using Ansys. Discuss the results for the below 2 cases with Boundary condition as left face fixed and a load of 500 N acting on the right face (Pull) CASE 1 - Plate with a hole in the center Case 2 - Plate with multiple holes…

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                                                                      03 Jan 2021 03:53 PM IST

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                                                                        Challenge on Combustion

                                                                        Objective:

                                                                        OBJECTIVE: Setup a case of combustion simulation on combustor model with methane-air as fuel and observe the mass fraction of different species and NOx and soot formation for the following 2 cases. Case 1 - Perform regular combustion simulation with Methane-air-2 step mixture and plot the mass fraction of different species…

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                                                                        16 Jan 2021 08:02 AM IST

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                                                                          Week 1 Spur Gear Challenge

                                                                          Objective:

                                                                          OBJECTIVE Setup a case of static structural analysis in Ansys for 2 spur gears using 3 different materials i.e. cast iron (Ductile), cast steel, and bronze cast Extract results like deformation, strain, and stress. Compare the results and provide proper inferences based on them. PROCEDURE Step 1 - Engineering Data Add…

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                                                                          23 Jan 2021 05:13 PM IST

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                                                                            Week 2 Bevel Gear Challenge

                                                                            Objective:

                                                                            OBJECTIVE Explain the process of the Grid Dependency test Setup a case of bevel gear simulation using given sets of input Perform a grid-dependent test for the bevel gear using different mesh element sizes of 6mm, 5mm, and 4mm. Provide inferences based on the results.   GRID DEPENDENCY TEST We know that FEA is a numerical…

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                                                                            25 Jan 2021 08:08 AM IST

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                                                                            Week 2 Railwheel and Track

                                                                            Objective:

                                                                            OBJECTIVE Setup a case of static structural analysis of Rail Wheel and track setupCase 1: The bearing load is 100000 NCase 2: The bearing load is 5*100000 N Compare the result like Stress, deformation, strain, and life in both cases. Set up an expression for deformation and compare its result with the total deformation…

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                                                                            01 Feb 2021 05:15 PM IST

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                                                                              2D Meshing of rear wheel holder in an automobile using Hypermesh

                                                                              Objective:

                                                                              Objective: Extract the mid surface of the following component Generate 2D mesh with target length = 5 mm and satisfying below quality S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 8mm 7 Min angle Quad 45 8 Max angle…

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                                                                              05 Feb 2021 05:23 AM IST

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                                                                                Week 3 Verification of Weld Joints

                                                                                Objective:

                                                                                OBJECTIVE Setup a case of static structural simulation to simulate 3 different types of the weld and identify the weld joint which experiences maximum stresses upon application of a similar loading condition Three cases are  Case 1. Stainless Steel: In this case, the material of the plates must also be the same. Use…

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                                                                                25 Apr 2021 03:58 PM IST

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                                                                                  4 Course Certificates

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                                                                                  HyperMesh for FEA Plastic and Sheet Metal Applications

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                                                                                  LS-DYNA for Structural Mechanics/FEA

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                                                                                  Introduction to GUI based CFD using ANSYS Fluent

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                                                                                  Crashworthiness Analysis using HyperMesh and Radioss

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                                                                                  Academic Qualification

                                                                                  M.Tech

                                                                                  Vellore Institute of Technology

                                                                                  01 Aug 2017 - 01 Aug 2019

                                                                                  12th

                                                                                  H.B.Kapadia New HighSchool

                                                                                  02 Aug 2010 - 01 Aug 2011

                                                                                  10th

                                                                                  H.B.Kapadia New HighSchool

                                                                                  04 Aug 2008 - 04 May 2009

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