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Finite Element Analysis (FEA)

Finite Element Analysis (FEA) is a very general computer analysis technology that can be applied in a wide variety of industries and applications.  The first step in the process involves “meshing” the geometry of the components – breaking them into small elements that represent the component geometry.  Meshing may start with CAD geometry of the component or a dimensioned drawing describing the geometry.  Even CT or laser scans of an actual may provide the starting geometry.  Next material properties, loads, and boundary conditions are defined.

Linear analysis is often used for preliminary design assessments.  PEC specializes in nonlinear analysis which permits more general and realistic simulations.  Nonlinear analysis may include features such as nonlinear material properties, large displacement, large strain, contact, buckling, or material failure.  More on nonlinear finite element analysis …

BreakForm2_PlasticStrain_01
Click Image for Animation of Plastic Strain during Sheet Metal Break Forming
Click Image for Animation of Von Mises Stress during Sheet Metal Break Forming
Click Image for Animation of Von Mises Stress during Sheet Metal Break Forming
Click Image for Animation of Contact Stress Vector during Sheet Metal Break Forming
Click Image for Animation of Contact Stress Vector during Sheet Metal Break Forming

O-Ring_Rubber_FEA_MARCStent_FE_ModelStent_MSC_Web_Pic              Atsina_Clip_Large_R0_Beam_Rad_NL_SS3_T0.00_Mesh Atsina_Clip_Large_R0_Beam_Rad_NL_SS3_T0.875_Seq_ReMesh2        Atsina_Clip_Large_R0_Beam_Rad_NL_SS3_T0.875_Seq_ReMesh

Finite Element Analysis of Composite CNG Fuel Tank Rear Impact

NGV_Rear_Impact

 

Fringe Plot of Plastic Strain during Impact

Download (TIFF, 22KB)

Download (TIFF, 23KB)

Download (TIFF, 23KB)

 

Fringe Plot of Total Displacement during Impact

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Download (TIFF, 42KB)

Download (TIFF, 38KB)

 

CFD Introduction – Computational Fluid Dynamics

CFD_SCU_Fabris_01-intro1_2010