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Applied Element Method.pptx

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Applied Element Method.pptx

  1. 1. Applied Element Method Supervisor: Mr. Bewar Prepared by: Shahyan Luqman Yonis Rejin Amjad Shukri University of Zakho Faculty of Science Department of Physic
  2. 2. Introduction In numerical simulations, it is widely recognized that the modeling of complicated physical systems often requires more time on preparation than in performing the actual computation of results. The Applied Element Method was developed by Kimiro Meguro and Hatem Tagel-Din during their research at University of Tokyo. In AEM, elements are connected by a number of normal and shear springs to carry normal and shear stress respectively.
  3. 3. Applied Element Method (AEM) Applied Element Method (AEM) is a numerical model for simulating structural behavior from elastic range to total collapse. In AEM, a structure is modeled as an assembly of rigid elements connected together with zero- length normal and shear springs. The major advantages of AEM are simple modeling and programming and high accuracy of the results with relatively short time.
  4. 4. Finite element method (FEM) The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling. Typical problem areas of interest include the traditional fields of structural analysis, heat transfer, fluid flow, mass transport, and electromagnetic potential. FEM can be used, for example, to determine the structural mechanics of different parts of a car under different loading conditions, the heat flow through engine part, or the distribution of electromagnetic radiation from an antenna.
  5. 5. Advantages of AEM compared to FEM • Analysis Advantages – Analysis is as simple as the simplified FEM and as accurate as the advanced FEM. – Output includes stresses, strain and internal force diagrams – Automatic yield and cut of reinforcement bars – Automatic element separation and contact detection – Automatic plastic hinge formation – Automatic element collision
  6. 6. Structural modeling in FEM vs. AEM
  7. 7. Applications • Structural vulnerability assessment • Forensic engineering • Performance based design • Demolition analysis • Glass performance analysis • Visual effects
  8. 8. The Applied Element Method provides a fast and accurate alternative to the Finite Element Method of analysis in the modeling and simulation of progressive collapse on structures. By including both structural and non-structural components, a truer representation of a progressive collapse scenario is generated and engineers, at last, have a tool available that allows them to determine the total effect of an extreme loading event. Conclusions
  9. 9. THANK YOU

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