Can complicated models with web openings be accurately analyzed with a 5x5 mesh?

In summary, using Abacus 6.13 for development of FEM for test setup on shear capacity of cold formed steel section has complicated interactions. Only a solid section model can provide answers, but with web openings on the section, there are convergence problems. Different mesh sizes have been tried, with success using a 30x30 mm mesh. Unfortunately, there is no easy way to analyze a complicated model with a 5x5 mesh. It may be necessary to try different mesh sizes and adjust parameters to obtain a more accurate result. Advanced numerical techniques such as finite element method or finite volume method may also be needed depending on the complexity of the model.
  • #1
geeth sankalpa
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I am using Abacus 6.13 for development of FEM for test setup on shear capacity of cold formed steel section. it has some complicated interactions with those interaction only solid section model gives answers.but with web openings on section it has convergence problems. i tried with different mesh sizes.it works with 30*30 mm mesh.are there any method to analyse this kind of models with 5*5 mesh type.
 
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  • #2
Unfortunately, there is no easy way to analyze a complicated model with a 5x5 mesh. The smaller the mesh size, the more difficult it is to get an accurate result. You may need to try different mesh sizes and adjust parameters such as the number of iterations to see if you can get a better result. Depending on the complexity of the model, you may also need to use more advanced numerical techniques such as finite element method or finite volume method.
 

1. What is FEM analysis and how is it performed with Abacus?

FEM (Finite Element Method) analysis is a numerical technique used in engineering to solve complex structural problems. Abacus is a software program that utilizes FEM to analyze and simulate the behavior of structures under various loading conditions. It involves dividing the structure into smaller elements and solving equations to determine stresses, deformations, and other important parameters.

2. What types of problems can be solved using FEM analysis with Abacus?

FEM analysis with Abacus can be used for a wide range of engineering problems, including stress analysis, modal analysis, heat transfer analysis, and nonlinear analysis. It is commonly used in the aerospace, automotive, and construction industries to design and optimize structures.

3. What are the advantages of using FEM analysis with Abacus?

FEM analysis with Abacus allows for a more accurate and efficient analysis of complex structures compared to traditional analytical methods. It also enables engineers to quickly test and evaluate different design options, leading to improved designs and cost savings in the long run.

4. How does Abacus handle different materials and their properties in FEM analysis?

Abacus has a material library that includes a wide range of materials commonly used in engineering, such as metals, plastics, and composites. Users can also define custom materials and their properties, such as elasticity, thermal conductivity, and density, to accurately model the behavior of their specific materials in the analysis.

5. Can Abacus be integrated with other software and tools?

Yes, Abacus has a robust interface that allows for easy integration with other software and tools commonly used in the engineering industry. This includes CAD software, other FEM analysis programs, and programming languages, allowing for a seamless workflow and increased efficiency in the design process.

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