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Modal analysis of LSF building
eh, well, I think I figured it out on my own. Much of my mass comes from the modeled infrastructure (the foundations) and the bottom floor slab. These elements do not participate in the vibration modes. This is why the accumulated percentage of mass will never come close to 100%.- fp77
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- Replies: 10
- Forum: Structural engineering general discussion
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Applying distributed load on a 2D plane stress model
Hello, Usually, when one wants to apply a distributed load to a 2D plane stress model of a simply supported beam, for example, we have, in theory, to calculate the load contributions in every node of the finite elements (nodal forces). This is what I learned in my courses in college, anyway...- fp77
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- Replies: 3
- Forum: Computers and Structures: SAP2000
