Week - 5 - Modelling Spotwelds

SIDE POLE CRASH SIMULATION USING RADIOSS   INTRODUCTION    The conventional robust procedure used experimental testing techniques, putting sensor-equipped dummies on the driver's (and passenger's) seat, rather than relying on computers and models. The most well-known kind of test is an automobile frontally…

FRONTAL CRASH SIMULATION USING RADIOSS     INTRODUCTION   A test that replicates an automobile striking a rigid wall at a specific speed is called a frontal crash with a rigid wall. The test is meant to assess the vehicle's safety features, like seat belts and airbags. Euro NCAP: Vehicles are tested at 50 km/h (31 mph)…

RADIOSS INTERFACES & STUDY OF EFFECT OF NOTCHES   INTRODUCTION   The boundary condition nonlinearity of complex dynamic contact problems is effectively resolved by the explicit analysis method. To accurately capture contact interaction between bodies, accurate modelling of contact interfaces is necessary.…

RADIOSS MATERIAL LAWS     INTRODUCTION    The inputs used in any effective simulation are crucial, and to obtain the greatest analysis results, a skilled analyst would always assess and verify the accuracy of the inputs. The type of material selected and the properties offered by the material should…

2D ELEMENT FORMULATION USING RADIOSS   INTRODUCTION    The calculations and presumptions that guide the generation of displacements for various finite element types are known as element formulation in finite element analysis.  In FEA, elements are often classified as 1D, 2D, or 3D elements. They can…

  RADIOSS Engine File Editing & 3D Meshing Challenge   INTRODUCTION   With dynamic loadings, Radioss is a structural analysis solver that assesses and maximizes product performance for extremely nonlinear issues. It is utilized in every industry sector globally.  Radioss is a finite element solver…

STATIC STRUCTURAL ANALYSIS ON BEVEL GEARS     INTRODUCTION   Grid Dependency Test  An examination of how the output of a finite element simulation varies when several meshes, or grids, are applied to represent the geometry under consideration is known as a grid dependence study in FEA. Ensuring that…

2D MESHING USING HYPERMESH   INTRODUCTION    Model parts that are essentially two-dimensional, like sheet metal or a hollow plastic cowl or casing, are represented by a surface mesh, sometimes known as a "shell mesh". When building more intricate 3D meshes, surface meshes placed on the exterior faces of…

STATIC STRUCTURAL ANALYSIS ON SPUR GEAR   INTRODUCTION   One of the most widely used varieties of precision cylindrical gears is the spur gear. Straight, parallel teeth are arranged around the cylinder body's perimeter, and a central bore that fits over a shaft completes the straightforward construction of these…

STRESS CONCENTRATION ON A PLATE WITH HOLE   INTRODUCTION   Stress concentration is the localization of excessive stress brought on by component abnormalities and sudden cross-sectional shifts. Stress concentration factor: This factor is used to determine the localized stress and take into account the effects…

The Bi-dimensional meshing of the hood of the car using ANSA     INTRODUCTION The hood is a key component of a car's front end, and it serves a variety of functions. In hood assembly design, there are four main parts: outer panel, interior panel, latch system, and hinge system shown in Figure 1. The style department's…

 BIRD STRIKE ANALYSIS USING LS-DYNA    INTRODUCTION   An aviation engine, often known as an aero engine, is the power source for an aircraft's propulsion system. There are 5 main types of aircraft jet engines. Each has its benefits, drawbacks, and best use cases.    TURBOPROP ENGINE …

JOINT CREATION AND DEMONSTRATION USING LS-DYNA     INTRODUCTION:   A mechanical joint is a machine component that connects one or more mechanical parts to another. Mechanical couplings can be either temporary or permanent, and the majority of them are meant to be dismantled. Most mechanical joints are intended…

 HYPERELASTIC MATERIAL MODELS   INTRODUCTION   HYPERELASTIC MATERIALS:   The traditional linear-elastic material models do not correctly reflect the observed material behavior for many materials. Rubber is the most typical example of this type of material, with a stress-strain relationship that is non-linearly…

MATERIAL MODELING FROM RAW DATA  USING LS-DYNA     INTRODUCTION:   The LS-DYNA software's huge library of material models for a wide range of materials is a key feature. To apply these material models, model coefficients or parameters must be obtained, where material attributes are translated into…

 MASS SCALING     INTRODUCTION:   Mass-scaling refers to the process of scaling an element's mass in explicit simulations in order to modify its timestep. The major goal is to alter (often raise) the global compute timestep, which is constrained by Courant's stability criteria. LS-DYNA supports two…

 PROJECT-1 HEAD IMPACT      INTRODUCTION   Head injuries are one of the most prevalent forms of injuries in vehicle-to-pedestrian incidents, and they can result in death or long-term impairments. However, a detailed investigation of pedestrian head injuries in real-world incidents is lacking. …

Compare the ELFORM (-2,-1,1,2) with the Ogden_Material Model to get the Stretch Ratio     INTRODUCTION:   Matrix inversion (or analogous operations) is one way of solving for the unknowns x. This is referred to as an implicit analysis. The implicit analysis is used in this assignment for comparing various…

 SPOTWELD MODELLING USING BEAM AND SOLID ELEMENTS     INTRODUCTION   Spot welding (sometimes known as resistance spot welding) is a type of resistance welding. This welding procedure is typically used to join two or more metal sheets together by applying pressure and heat from an electric current to…

CRASH TEST FOR CRASH BOX OF RECTANGULAR CHANNEL      INTRODUCTION     The student's task in this assignment is to recreate a crash test for a crash box using the provided model.A crash box is a strong energy-absorbing structure that collapses when stresses are applied, minimizing the damage to…

DROP TEST USING LS-DYNA     INTRODUCTION     For this project, we give you a file with only nodes and components for two sections, a scaled-down telephone, and a plate that simulates ground. We expect you to construct a proper, hard wall or a solid, ground-like surface ( as shown in the lecture ) To…

EXPLICIT AND IMPLICIT ANALYSIS     INTRODUCTION     Numerical analysis employs both explicit and implicit techniques to arrive at numerical approximations for the solutions of time-dependent ordinary and partial differential equations that call for computer simulations of physical processes. While implicit…

CONSISTENCY OF UNITS     INTRODUCTION     Depending on what is most convenient for each industry, multiple systems of units are used. The other derived numbers must be stated in terms of the units for the basic measuring quantities, mass, distance, and time. For instance, the kg, mm, ms system is used…

MESHING ON THE REAR WHEEL SUSPENSION ASSEMBLY USING ANSA   INTRODUCTION   A vehicle's wheels are connected to it by a suspension system made up of tyres, tyre air, springs, shock absorbers, and connections that permit relative motion between the two. Road holding/handling and ride quality, which are at variance…

2D-MESHING ON THE INSTRUMENTAL PANEL OF THE CAR USING ANSA   INTRODUCTION       A dashboard is a configuration tool located inside the center console of a car or small airplane. It is also referred to as a dash, instrument panel (IP), or fascia. It often rests prominently in front of the driver (or…

2D Meshing of Rear Wheel Holder Using Hypermesh   INTRODUCTION     When smaller discrete cells are used to represent a broader geometric domain, the result is a mesh. Meshes are frequently used to produce computer images, solve partial differential equation solutions, and evaluate geographic and spatial…

2D MESHING OF DOOR INNER PANEL USING HYPERMESH       INTRODUCTION     The door's inner mechanisms and the vehicle's interior are connected by the door panel, as are the passengers within the automobile and the door. They must adhere to a number of design requirements in terms of operation, appearance,…

Establishing Connections in Hyper mesh     INTRODUCTION     The majority of constructions have some kind of jointing or connecting. It is almost as old as the introduction of bronze and subsequently iron into an early civilization where rivets were used to join structural plates. With the development…

3D Tetra Meshing in Hypermesh     INTRODUCTION     Four tria faces and four nodes make up a 3D tetra element. The primary characteristic of a tetra element to be examined is its height. A tetrahedral element mesh can be created using one of two methods offered by Hyper Mesh. Without further input from…

 Meshing of the hood of the car using Hypermesh   INTRODUCTION     Making lightweight components and enhancing other efficiency parameters is the automotive industry's biggest concern. The design and development of a new hood assembly for increased hood assembly stiffness is the main emphasis of this…

1D ELEMENT GENERATION IN HYPER MESH         INTRODUCTION     Whether they are straight or curved, all line elements are classified as 1D elements since they have translational and rotational displacement functions. The bending behaviour of a member can be accurately predicted using 1D elements,…

Morphing Using ANSA   INTRODUCTION   The process of morphing involves changing one shape into another. A given concept model's geometry can be changed to the right proportions to create new designs. By updating the geometry themselves, users of CAE Morphing can avoid going back to the designer and save time.…

Rear Door Connections in ANSA   INTRODUCTION In order to enter and depart a vehicle, a car door is a sort of door opening that is normally hinged on its front edge, though occasionally attached by other mechanisms like tracks. For vision from within the car, side windows are frequently integrated into doors, which…

It took 5 hours and 30 minutes to complete the specified model due to some complex kinks and raised edges formed at major parts of the component. 

Model 1: It took 8 hours to complete this model because of its intricate geometry. The mid-surface is minutely captured w.r.t the time taken. 71 off-elements (2.32%) are present due to the areas having one or more than two feature lines. The PIDs have been assigned to all entities in detail with variations in thickness.…

SOLID MESHING OF REAR-VIEW MIRROR ASSEMBLY   INTRODUCTION A rear view mirror is a device that allows a driver to look behind him or her. It normally hangs from the top of the cabin's windscreen. This is one of the vehicle's most basic but crucial safety equipment. It helps the driver with overtaking, parking in reverse…

BI-DIMENSIONAL MESHING OF PLASTIC BOTTLE CAP   INTRODUCTION A bottle cap, also known as a bottle top, is a closure for a bottle's top opening. A cap may be brightly embellished with the emblem of the content's brand. Plastic caps are used on plastic bottles, whilst metal caps with a plastic backing are used on glass…