SAP15x is a structural analysis program designed to supplement Structural Analysis courses (CE 15x) offered at the UP Institute of Civil Engineering. Unlike conventional commercial software, this application is designed so students gain confidence in performing matrix structural analysis and better understanding of the direct stiffness method. It provides utility to view quantities such as, element rotation matrices or stiffness matrices in local and global coordinates, structure’s global stiffness matrix, or equivalent nodal forces of element loads, etc. This provides opportunities for researchers and structural engineers to solve problems that are otherwise difficult to solve using conventional software.

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