OS-E: 1000 Grid Point Stress Response for Free-Shape Optimization
Grid point stress response of homogeneous material for Free-Shape Optimization is
performed.
The objective is to minimize the max grid point stresses in a selected area. In this
example, the 3D cylinder is modeled using first order Tetra elements. Figure 1. FE-Model with Loadcases and Loadstep
Model Description
This example has a linear static analysis of a cylinder which has force applied on specific
locations and constrained in all directions at the bottom. Grid point stress response are
defined by setting RTYPE=GPSTR in
DRESP1 card. The element used should be solid elements with
PSOLID property. Grid point stress response of homogeneous material is
supported for Shape and Sizing Optimization also.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
DRESP1
ID
LABEL
RTYPE
PTYPE
REGION
ATTA
ATTB
ATT1
Objective
Minimax grid point stresses is a selected area
Design Variables
Free Shape
Results
Figure 2. Grid Point Stresses at Iteration Zero Figure 3. Grid Point Stresses at Final Iteration
