All Courses
All Courses
Courses by Software
Courses by Semester
Courses by Domain
Tool-focused Courses
Machine learning
POPULAR COURSES
Success Stories
AIM FOR THE GIVEN FRONTAL CRASH BIW CHECK UNIT SYSTEM AND FOLLOW THE RELEVANT AS APPLICABLE. CREATE APPROPRIATE INTERFACE, FRICTION AND RECOMMENDED PARAMETERS. TO MAKE SURE THAT THERE ARE NO PENETRATIONS AND INTERSECTIONS. CORRECTION OF RIGID BODIES IF NEEDED AND CREATION OF RIGID WALL WITH FRICTION AS RECOMMENDED. TO…
JEFIN VARGHESE
updated on 26 Feb 2024
AIM
FOR THE GIVEN FRONTAL CRASH BIW
PROCEDURE
AS PER THE GIVEN NODE, SECTIONAL FORCE WAS CALCULATED @HYPERMESH>FILE>IMPORT>SOLVER DECK>'select as needed' FILE>IMPORT>CLOSE>SOLVER>'right click'>CREATE>FRAME>MOV>NODE (ORIGIN NODE) 'select as needed'>NODE (Z-AXIS) 'select as needed'>NODE (YZ-PLANE) 'select as needed'>CREATE>RETURN>SOLVER>'right click'>CREATE>SECT>SECT>'select' N1,N2 & N3>detltaT '0.1'>alpha '1.67'>Iframe '12'>Frame_ID 'select as needed'>grshel_id 'right click'>CREATE>ENTITY ID>ELEMENTS>'select as needed' PROCEED.
ACCELEROMETER WAS PLACED AT BOTH SIDES @HYPERMESH>SOLVER>'right click'>CREATE>ACCEL>node_ID 'select as needed'>PROCEED>Fcut '1.65'.
INTRUSIONS ON THE DASH WALL @HYPERMESH>SOLVER>'right click'>CREATE>SKEW>MOV>NODE (ORIGIN NODE) 'select as needed'>NODE (Z-AXIS) 'select as needed'>NODE (YZ-PLANE) 'select as needed'>CREATE>MODEL>OUTPUT BLOCK 'right click'>CREATE>ENTITY IDs>NODES>BY ID 'enter as needed'>Iskew 'select as needed'.
CREATING OUTPUT REQUEST FROM SOLVER BROWSER @HYPERMESH>MODEL>OUTPUT BLOCK 'right click'>CREATE>ENTITY IDs>SELECT TYPE 'select as needed'.
MODEL CHECKER WAS DEPLOYED @HYPERMESH>TOOLS>MODEL CHECKER>RADIOSSBLOCK>'right click at area' RUN.
MODEL RUN WAS DONE @HYPERMESH>FILE>IMPORT>SOLVER DECK>'select as needed' FILE>IMPORT>CLOSE>ANALYSIS>RADIOSS>INPUT FILE 'select/rename as needed'>RADIOSS>RETURN.
RESULTS
ENERGY ERROR IS NEGATIVE IT MEANS SOME ENERGY IS DISSIPATED, SAME HAS BEEN LINEARLY INCREASING UPTO -2.4% AND IS ACCEPTABLE.
MASS ERROR IS ZERO, WHICH IS ALSO ACCEPTABLE.
AS PER THE LAW OF CONSERVATION OF ENERGY, KINETIC ENERGY IS ABSORBED AND CONVERTED INTO INTERNAL ENERGY DUE TO CRUSHING. MAXIMUM INTERNAL ENERGY NOTED @22493KN/mm AND MAXIMUM KINETIC ENERGY NOTED @85414KN/mm. CONTACT ENERGY IS THE OPPOSITE ENERGY CREATED BY THE RIGID-WALL TO WITHSTAND PENETRATION, REACTION FORCE IS DEVELOPED TO AVOID PENETRATION THUS WE CAN SEE A SMALL INCREASE IN CONTACT ENERGY AND MAXIMUM VALUE NOTED @1978KN/mm. TOTAL ENERGY SEEMS ALMOST CONSTANT AND IS ACCEPTABLE.
ABOVE ARE THE FORCES EXPERIENCED BY THE LEFT AND RIGHT SHOT-GUN PART FOR THE CRASH, MAXIMUM AT LEFT @4.6KN/mm AND MINIMUM AT RIGHT @5.8KN/mm. THE FORCE PROPOGATION THROUGH BOTH THE RAILS ARE DIFFERENT AS THE AMOUNT OF DEFORMATIONS EXPERIENCED ARE NOT SAME.
RAILS TRANSMITTE THE FORCE TO THE BACK OF THE CAR, RH A PILLAR TRANSMITTES MORE FOR THAN THE LH A PILLAR. MAXIMUM FOR RH @2.7KN/mm AND MAXIMUM FOR LH @1.2KN/mm.
THIS PART IS DIRECTLY CONNECTED TO THE FRONTAL CRASH BAR AREA, ENERGY IS TRANSMITTED TO THE REST OF THE BODY VIA THIS PART. WE CAN SEE A NOTABLE ENERGY SPIKE INITIALLY, MAXIMUM @RH 7.4KN/mm AND MAXIMUM @LH 5.2KN/mm.
ACCELEROMETERS WERE PLACED AT B-PILLAR BOTTOM SIDE, GRAPH IS VERY JERKY AND THIS MIGHT BE DUE TO THE VIBRATIONS DEVELOPED DURING CRASH. VALUES ARE CONSTANT BEFORE HITTING THE VEHICLE AND CHANGES SUDDENLY NON-LINEARLY AFTER CRASH. MAXIMUM @RH 6.8mm/ms2 AND MAXIMUM @LH 4.7mm/ms2.
INTRUSION SHOWS THE DISPLACEMENT OF THE NODES FROM THE FIXED POINT, HERE A NOTABLE VALUE INCREMENT CAN BE SEEN. THIS MIGHT BE DUE TO THE MISSING OF ENGINE COMPONENTS. MAXIMUM @RH 950mm AND MAXIMUM @LH 870mm.
CONCLUSION
Leave a comment
Thanks for choosing to leave a comment. Please keep in mind that all the comments are moderated as per our comment policy, and your email will not be published for privacy reasons. Please leave a personal & meaningful conversation.
Other comments...
Week - 2 - Explicit and Implicit Analysis
>AIMAS PER THE ARTICLE SHARED, A NON LINEAR STATIC PROBLEM IS SOLVED USING BOTH EXPLICITE AND IMPLICITE ANALYSIS. BOTH OF THE CASES USE INCREMENTAL LOAD CONTROL SCHEME AND HERE IT IS ADVISED TO USE THIS EQUATION "F(u) = u3+9u2+4u" AND SOLVE USING BOTH EXPLICITE AND IMPLICITE METHODS.ALSO TO EXPLAIN IN DETAIL ABOUT IMPLICITE…
10 Jul 2024 05:28 PM IST
Assignment 7-Side Pole Crash Simulation Challenge
AIM FOR THE GIVEN NEON SIDE CRASH BIW CHECK UNIT SYSTEM AND FOLLOW THE RELEVANT AS APPLICABLE. CREATE APPROPRIATE INTERFACE, FRICTION AND RECOMMENDED PARAMETERS. TO MAKE SURE THAT THERE ARE NO PENETRATIONS AND INTERSECTIONS. TO CREATE A RIGID POLE WITH A FRICTION OF 0.1 AS PER THE FMVSS 214 STANDARDS. TO COMPARE…
26 Feb 2024 04:06 PM IST
Assignment 6-Frontal Crash Simulation Challenge
AIM FOR THE GIVEN FRONTAL CRASH BIW CHECK UNIT SYSTEM AND FOLLOW THE RELEVANT AS APPLICABLE. CREATE APPROPRIATE INTERFACE, FRICTION AND RECOMMENDED PARAMETERS. TO MAKE SURE THAT THERE ARE NO PENETRATIONS AND INTERSECTIONS. CORRECTION OF RIGID BODIES IF NEEDED AND CREATION OF RIGID WALL WITH FRICTION AS RECOMMENDED. TO…
26 Feb 2024 04:06 PM IST
Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge
OBJECTIVE TO CREATE MESH FOR THE GIVEN 'BUMPER ASSEMBLY' WITH THE SPECIFIED CONDITION. TO RUN THE GIVEN 'CRASH TUBE' MODEL EACH BY CHANGING CONDITIONS AND TO COMPARE THE SAME AFTER PLOTTING ENERGY AND FORCES. PROCEDURE HYPERMESH (OPTISTRUCT)>FILE>IMPORT>MODEL>'select as needed'>IMPORT. GEOM>TEMP…
31 Jan 2024 03:47 PM IST
Related Courses
Skill-Lync offers industry relevant advanced engineering courses for engineering students by partnering with industry experts.
© 2025 Skill-Lync Inc. All Rights Reserved.