CAE analysis

Design Center


Battery Regenerator and Recharger

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Main Design Center

Hiroshima, Japan

CAE analysis
Evaluation analysis from CAE analysis, proposal of optimum design



Utilizing our design experience in automobile development and railway vehicle development, from initial evaluation to proposal for improvement will be conducted.



Equipment owned by HIVEC

  • Optistruct
  • NX Nastran
  • Abaqus
  • LS-DYNA(External equipment)
  • MotionSolve
  • Inspire
  • 3D-TIMON(External equipment)
  • HyperMesh
  • HyperView


※External equipment: Utilization of Hiroshima Digital Innovation Center (high-speed workstation, supercomputer, various solvers)




Kinds of CAE analysis



(Case 1) Full-car model 50km/h front collision analysis

RADIOSS: Crash Analysis


G-S diagram
G-S diagram
(Prediction of car body crush amount)
E-T diagram
E-T diagram
(Prediction of energy absorption characteristics)


Example of a full car model collision analysis
<Created by the U.S. NHTSA and using public data >
Number of elements: 1,919,302   Number of nodes: 1,969,831
Draw a vehicle deceleration displacement diagram (G-S diagram) from the analysis results and evaluate collision safety performance




(Case 2) Steering vibration analysis

Optistruct: Natural vibration analysis/Frequency response analysis


Strg.Wheel TOP vertical excitation
Strg.Wheel SIDE left and right excitation


Example of steering natural vibration analysis with a trimmed body cut model
Number of elements: 411,031   Number of nodes: 443,135
Draw the excitation point response function (FRF) from the analysis results and evaluate the idle vibration




(Case 3) Suspension link mechanism analysis

Motion Solve: Mechanical analysis



An example of link mechanism analysis using a suspension link model
Evaluate whether braking, driving, and turning forces can be properly transmitted to the road surface




(Case 4) Suspension arm strength stiffness analysis

Optistruct: Linear Static Analysis


Sudden braking input load
Stress contour diagram
When push-up load is input
Stress contour diagram

Evaluation part


Example of strength/rigidity evaluation by inputting a static load to a suspension arm
Number of elements: 13,637   Number of nodes: 23,681
Draw a deformation diagram and stress distribution diagram from the analysis results and evaluate the strength




(Case 5) Steering boot large deformation analysis

Abaqus: Nonlinear analysis



Example of geometric nonlinear analysis on steering boot model
Evaluate the stress/interference when climbing over a protrusion by reproducing the compression expansion and contraction of the boot.




(Case 6) Resin flow analysis of automobile interior and exterior parts

3D-TIMON: Resin flow analysis



Warp deformation
Warp deformation


Example of resin flow analysis performed on a bumper mold model
Number of elements: 309,162   Number of nodes: 103,146
Evaluate weld and warp deformation with molding conditions as parameters




(Case 7) Analysis of gas flow around a vehicle

AcuSolve: Flow analysis



Analysis model (mesh diagram)
Analysis model (mesh diagram)
Velocity distribution map
Velocity distribution map


Example of flow analysis performed on the exterior model of a community bus
Number of elements: 20,396,652   Number of nodes: 3,735,379
Calculate the gas flow around the vehicle and evaluate the flow velocity/static pressure/Cd value




(Case 8) Heat transfer and thermal stress analysis of a vessel

ABAQUS: Unsteady heat transfer/thermal stress analysis


Deformation magnification: 5 times


Example of heat transfer and thermal stress analysis using a model in which the container is heated from the bottom
Number of elements: 316825   Number of nodes: 250817
Evaluate thermal stress during heating transition by reproducing the thermal expansion of the time history during heating