Тема 6. Результаты расчета здания и их анализ (часть 2 - практическая часть в ПК "Лира-САПР")

At 0:00 the presenter greets the audience, then at 1:02 the building is modeled in Lira‑SAPR, at 3:25 the solution protocol is shown, at 5:20 the results are analyzed in the "Form of displacements" and "Form of vibrations" modes, at 6:58 the deformed scheme is displayed, at 10:00 the results for individual loads and the combined load are reviewed, at 11:42 the overall deformation analysis under vertical loads is presented, at 19:47 the node displacement mosaics under vertical loads are examined, at 26:07 the node displacements under wind load along the Y axis are analyzed, at 30:46 the node displacements under wind load along the X axis are examined, at 33:45 a preliminary estimate of the top displacement is given, at 36:16 the modulus of elasticity values are adjusted, at 42:28 a theoretical insertion about the behavior of the linked structural scheme under load is provided, at 56:34 a simplified equivalent cantilever scheme and building stiffness are shown, at 1:04:18 the simplified cantilever scheme is calculated under wind load, at 1:06:47 the bending under vertical load and the bending moments are determined, at 1:24:57 a theoretical insertion on the determination of the center of stiffness of the linked structural scheme is given, at 1:45:52 the horizontal displacement of the top is evaluated and new combined load cases are created, at 1:58:25 the horizontal displacement within a floor is assessed, at 2:09:50 the tilt of floor cells adjacent to stiffness diaphragms is evaluated, at 2:18:54 a preliminary estimate of the deflection of floor trusses under aesthetic‑psychological requirements is shown, at 2:32:40 a preliminary estimate of the deflection of floor trusses under structural requirements is presented, at 2:37:20 the internal forces in the building elements are analyzed, at 2:38:34 the forces in the columns are shown, at 2:43:44 the distribution of forces in the columns under vertical loads is analyzed, at 2:56:08 the forces in the trusses are displayed, at 2:58:12 the distribution of forces in the trusses under vertical loads is examined, at 3:02:35 the forces in the stiffness diaphragms under vertical loads and the stress mosaics in the plate elements are shown, at 3:07:11 the distribution of forces in the stiffness diaphragms modeled by finite elements under vertical loads is analyzed, at 3:10:33 the forces under wind load along the Y axis are examined, at 3:20:35 the forces under wind load along the X axis are examined, at 3:27:25 the results under the pulsating component of wind load are presented, at 3:28:01 the shapes and frequencies of the building's natural vibrations are analyzed, at 3:35:29 a simplified method for determining natural frequencies is shown, at 3:43:09 the relative vibration amplitudes of the nodes are displayed, at 3:45:31 the components considered in calculating the pulsating wind load are described, at 3:46:24 the average wind load component used in dynamic loading is explained, at 3:47:48 a preliminary estimate of the pulsating wind load is given, at 3:50:32 the dynamic (inertial) forces under the pulsating wind load along the X axis and their analysis are shown, at 3:58:32 the verification of dynamic force values under the pulsating wind load is performed, at 4:03:33 the dynamic forces under the pulsating wind load along the Y axis and their analysis are presented, at 4:05:06 the forces under the pulsating wind load (by vibration shapes) are analyzed, at 4:06:19 the total forces and displacements from the pulsating wind load and the full wind load using combined load cases are shown, at 4:10:12 the accelerations of the cover nodes are analyzed, at 4:16:44 the pulsating wind load for buildings of different heights is discussed, at 4:36:53 the loads on foundations are determined, at 4:45:58 the forces in section elements from combined load cases using standard tables are calculated, at 4:58:44 interactive tables are used to determine floor displacements, at 5:06:47 the envelopes of maximum and minimum forces from all combined load cases are displayed, at 5:17:20 the longitudinal forces in the floor disc elements are analyzed.