Gopala Krishnan
CAE Engineer
Skills Acquired at Skill-Lync :
Introduction
24 Projects
Week 3 - 2D meshing for sheet metal
some learning this model
26 Aug 2021 05:26 PM IST
Week - 4 - 2D meshing for Plastic components
lost of error in the model
06 Sep 2021 12:32 PM IST
Tool Test 1
time is less i am some work for me ,so I n't compelete
07 Sep 2021 01:47 PM IST
Week- 5 - Solid meshing
easy to tetra meshing
14 Sep 2021 12:57 PM IST
Tool Test-2
some error this component ,but easy
14 Sep 2021 04:47 PM IST
Week 6 - Creating connection for Rear door
easy this model ,learning technique
22 Sep 2021 04:45 PM IST
Week - 8 - Morphing
Objective:- increase the height of Dog Houses and Ribs. procedure :- Import model as show below figures. morphing mode:- first step is go to morphing modules click on the new boxes and select the geometry. create the morphing box show as below figures. increase the dog house then select the move option open the window…
30 Sep 2021 05:02 PM IST
Project 1 - 2D meshing on the instrumental Panel
objective:- clean up the given IP substrate models. meshing the models with the target element size 4mm. follow the given quality criteria and fix the criterian errors procedure:- Topo mode:- clean up the geometry. creating the mid surface for the model. Mesh mode:- set the mesh length As 4mm. apply the mesh on the visible…
04 Oct 2021 08:51 AM IST
Project - 2 - Meshing on the suspension Assembly
Objective:- For the given assembly,check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned for mid surface . Use tetra element to model non uniform thickness components. Deploy connection between components. Quality criteria :- In this…
06 Oct 2021 01:11 PM IST
Week 4-1D Element Creation Challenge
AIM:- a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm dimension b=10 mm …
25 Oct 2021 03:30 PM IST
Week 6-Meshing of Hood Challenge
Objective:- Clean the geometric error from the hood. Extracting the mid surface of hood model. mesh the model with meshing algorithm command and assigning the give quality criteria to it. Delete the solid:- After importing,we change the geometry color mode to by TOPO,we find that the model consist of solid,which is not…
03 Nov 2021 04:05 PM IST
Week 8-3D Tetra Meshing Challenge
Model-1:- 3D Meshing:- Elements sizes:min-2mm,Target-5mm,max-7mm Tet collapse-0.15 Procedure:- 2D auto mesh to create tria element with given elements size. 2D quality index to optimize the failing elements 3D tetra mesh to create 3D tetra mesh , Tet collapse fails clear the tetra remesh. Create the…
29 Nov 2021 06:38 AM IST
Week 9-Creation of 1D Connectors Challenge
Objective :- Mesh the given model using automesh and go for quality. Add the connectors for the model as given below 1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad elements 3. Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot…
29 Nov 2021 06:53 AM IST
Week 12:Project-1-Meshing of Door Inner Panel Challenge
Objective:- mesh the side door plastic model with given quality criteria and assign the thickness. Quality criteria:- Target Element Length = 4 Units S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 2 Units 6 Max. Length 6 Units 7 Min angle Quad 45 8 Max angle Quad…
07 Dec 2021 09:58 AM IST
Week 12:Project 2-Meshing of Rear Wheel Holder challenge
Objective:- Mesh the rear wheel holder model with given quality criteria and assign the thickness. Quality criteria:- Target Element Length = 5 Units S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 2 Units 6 Max. Length 8 Units 7 Min…
16 Dec 2021 07:37 AM IST
Assignment 1-2D Meshing Challenge
Objective:- To clean up geometry. create mid surface and 2D mesh with a given requirement for the given three geometry files. Then to assign property thickness. Import Geometry:- Three parts are shown as given below . The topo view shows the missing surface and duplicate surface present in the geometry. Part 1:- …
02 Feb 2022 10:36 AM IST
Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge
1) Calculate the speed of sound in steel rail Sol: Formula for "Speed of sound" C= √ E/ρ from the given 0000.rad file we can get the material properties of steel rail From the above image we can see the value of E=210000 Mpa(N/mm^2) ρ =0.0078 g/mm^3, now using the above-mentioned…
16 Feb 2022 06:44 AM IST
Week - 1 - Consistency of Units
Aim:- Convert given measurements into a different system of units and find their corresponding conversion factors. Measurements Given:- MASS 1kg LENGTH 1m TIME 1s FORCE 1N STRESS 1Pa ENERGY 1Nm DENSITY 1Kg/m3 YOUNG'S Modulus 210GPa Velocity 56.33KMPH GRAVITY 9.8m/s2 System of Units: Kg cm ms Kg cm s gm mm ms…
22 Feb 2022 12:26 PM IST
Assignment 3-2D Element Formulation Challenge
OBJECTIVE:- Comparison of results with base simulation and improved shell element properties PROCEDURE:- CASE 1:- WITHOUT ASSIGNING THE RECOMMENDED PARAMETER IN THE PROPERTY Import the model in the RADIOSS user interface. Import the file as SOLVER DECK. The model will look like this. Now next step…
24 Feb 2022 12:05 PM IST
Assignment 4-RADIOSS Material Laws Challenge
Objective:- To apply different material types to the simulation model and compare the behavior of the material with a different element and failure formulations. PROCEDURE:- CASE 1:- Import the provided 0000.rad file into the HyperMesh workspace and change the properties to the recommended properties for shell elements.…
03 Mar 2022 12:42 PM IST
Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge
Objective:- To mesh the given bumper model with a mesh size of 6 mm. To run the crash tube simulation with the given 6 cases and plot the graph for energies. Procedure to mesh the bumper:- Import the .hm file. Go to File > Import > model. Click on the Select File icon. Select the .hm file and click on Switch to By…
21 Mar 2022 09:06 AM IST
Assignment 7-Side Pole Crash Simulation Challenge
Aim:- To perform a side pole crash simulation with the given BIW frame in Radios and request for outputs as mentioned in the problemstatement. Neon side crash -BIW:- Check the 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…
11 Apr 2022 06:18 AM IST
Assignment 6-Frontal Crash Simulation Challenge
Aim:- To set up the given simulation conditions on the BIW model for frontal crash simulation in HyperMesh/RADIOSS and discuss theresults obtained. Procedure:- The model is imported using the import option in HyperWorks. The unit system is checked in the rad file and it is found to be kg mm ms. Initially, the penetrations…
11 Apr 2022 06:21 AM IST
Week - 2 - Explicit and Implicit Analysis
EXPLICIT AND IMPLICIT ANALYSIS F(u) = u3+9u2+4u ---(1)solve using both Explicit and Implicit Methods ( have a tolerance of 10-3). Stiffness, k(U) = dF/du = 3u^2+18u+4 ---(2) EXPLICIT ANALYSIS:- In explicit mostly dynamic…
25 Apr 2022 07:19 AM IST
3 Course Certificates
HyperMesh for FEA Plastic and Sheet Metal Applications
Crashworthiness Analysis using HyperMesh and Radioss
Academic Qualification
B.E
New Prince Shri Bhavani College Of Engineering & Technology
15 Jul 2015 - 23 Apr 2023
12th
Tambaram
17 Jul 2013 - 25 Mar 2015
10th
Rajah Muthiah Boys Higher Secondary School
08 Jun 2011 - 25 Apr 2013
Here are the courses that I have enrolled
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