Análisis de una estructura mediante el método de rigidez directa aplicado a sólidos rígidos indeformables

With this research, the analysis and resolution have been developed through direct rigidity method of a structure with non-deformable rigid solid. The has carried out annually verified FTOOL software, in order to corroborate what done. For its execution we used our own procedures seen Structural Analysis II course at UNISCJSA, following being typical system: Determination Q-D System [Q], Primary [R], Complementary [ K], Assembly Stiffness Matrix, Deformation Vector [D] Internal Forces [Q (DFN, DFC Y DMF)]. Regarding structure, it characteristics; bar AB is solid point load half 5 tons, BC an EI = 12000 ton – m^2 EA ∞ distributed 4 ton/m, bars BD BE are bi-articulated 18,000 tons. Then, two Q D Systems used, each one degree freedom, resulting same response calculation internal forces, which allows respective bending moment diagrams be made; Likewise, vertical settlement node C cm considered, makes variation terms forces therefore their diagrams.