May 2, 2022 at 7:12 pmluis.serra5Subscriber
Hi! I am currently doing my thesis where I have to simulate an impact in a guardrail post. I tried to simulate this problem with solid bodies and shell bodies. When I did the simulation with solid bodies, everything worked fine but when I tried to simulate the problem with Shells, a body got separate from the main structure, what was not supposed to happen. I used Bonded Contact between the bodies. Can you help me solve this issue? Thank You.May 4, 2022 at 10:13 pmChris QuanAnsys EmployeeWhen solid body to solid body is bonded, their distance is probably very small and less than the Maximum Offset.
When one of the solid body is simplified to become a surface body, their distance from the surface body (for example, mid-surface of the original solid body) to the solid body may not be small. It is at least half of the shell thickness if mid-surface is used to represent the shell body.
You need to increase the Maximum Offset in the Definition of the Bonded Contact from 1E-4 mm to a value that is larger than the distance between the surface body and the solid body. This will ensure that both bodies can be bonded together.
May 5, 2022 at 1:39 pmluis.serra5SubscriberThank you! Your suggestion really helped my model to converge.
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