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Validation tension test
Posted 2016年3月1日 GMT-5 16:23 Materials, Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Solvers, Structural Mechanics Version 5.0, Version 5.1, Version 5.2 1 Reply
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Good morning. I have to solve a simple problem as fast as possible before my engineering degree.
I chose Comsol to simulate the behavior of a orthotropic material specimen during a uniaxial tension test . The specimen is a rectangular section 200x20x7. I don't know how to constrain and load the 3d geometry to have the real results. Now i fix one side of the specimen and load the other side with a force like the real force applied. The other faces are free, but, when i solve the problem, the solution is unreal because the max stress is at the side of the load, and not in the middle of the specimen like the reality. What kind of simulation i have to do to simulate this test?i'm new with comsol.. and it's difficult for me this simple simulation....
I chose Comsol to simulate the behavior of a orthotropic material specimen during a uniaxial tension test . The specimen is a rectangular section 200x20x7. I don't know how to constrain and load the 3d geometry to have the real results. Now i fix one side of the specimen and load the other side with a force like the real force applied. The other faces are free, but, when i solve the problem, the solution is unreal because the max stress is at the side of the load, and not in the middle of the specimen like the reality. What kind of simulation i have to do to simulate this test?i'm new with comsol.. and it's difficult for me this simple simulation....
1 Reply Last Post 2016年3月2日 GMT-5 11:19
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Posted:
8 years ago
Good morning. I have to solve a simple problem as fast as possible before my engineering degree.
I chose Comsol to simulate the behavior of a orthotropic material specimen during a uniaxial tension test . The specimen is a rectangular section 200x20x7. I don't know how to constrain and load the 3d geometry to have the real results. Now i fix one side of the specimen and load the other side with a force like the real force applied. The other faces are free, but, when i solve the problem, the solution is unreal because the max stress is at the side of the load, and not in the middle of the specimen like the reality. What kind of simulation i have to do to simulate this test?i'm new with comsol.. and it's difficult for me this simple simulation....
it's impossible that the max stress is on the top of the specimen, where i have applied the tension... So...what I've to do to simulate a tension test?
Thanks a lot everyone can help me.
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