Rovinný příhradový vazník, který se skládá ze čtyř šikmých prutů a jednoho svislého prutu, je zatížen v horním uzlu svislou silou a silou mimo rovinu. Assuming the large deformation analysis and neglecting the self-weight, determine the normal forces of the members and the out-of-plane displacement of the upper node.
Hmotový systém s vůlí a dvěma pružinami se nejdříve vychýlí. Determine the natural oscillations of the system - deflection, velocity, and acceleration time course.
Konzola z kruhového prutu je zatížena excentrickou normálovou silou. Determine the maximum vertical deflection of the console using the geometrically linear and second-order analysis.
Konzola z kruhového prutu je zatížena excentrickou příčnou silou. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
Konzola z kruhového prutu je zatížena excentrickým rovnoměrným zatížením. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
Tento verifikační příklad vychází z verifikačního příkladu 0122. A single-mass system without damping is subjected to an axial loading force. An ideal elastic-plastic material with characteristics is assumed. Determine the time course of the end-point deflection, velocity, and acceleration.
A symmetrical shallow structure is made of eight equal truss members, which are embedded into hinge supports. The structure is loaded by a concentrated force and alternatively by imposed nodal deformation over the critical limit point when the snap-through occurs. Imposed nodal deformation is used in RFEM 5 and RSTAB 8 to obtain the full equilibrium path of the snap-through. Vlastní tíha se v tomto příkladu nezohledňuje. Determine the relationship between the actual loading force and the deflection, considering large deformation analysis. Evaluate the load factor at the given deflections.
Konstrukce se skládá ze čtyř prutů, které jsou uloženy na kloubových podporách. The structure is loaded by a concentrated force and alternatively by imposed nodal deformation over the critical limit point, when snap-through occurs. Imposed nodal deformation is used in RFEM 5 and RSTAB 8 to obtain the full equilibrium path of the snap-through. The self-weight is neglected in this example. Determine the relationship between the actual loading force and the deflection, considering large deformation analysis. Evaluate the load factor at given deflections.
Tlumený jednohmotový systém je zatížen konstantní silou. Determine the spring force, damping force, and inertial force at the given test time. In this verification example, the Kelvin--Voigt dashpot (namely, a spring and a damper element in serial connection) is decomposed into its purely viscous and purely elastic parts, in order to better evaluate the reaction forces.
Jednohmotový systém s tlumičem je vystaven konstantní zatěžovací síle. Determine the deflection and velocity of the dashpot endpoint in the given test time.
Matematické kyvadlo se skládá z lana zanedbatelné hmotnosti a hmotného bodu na jeho konci. The pendulum is initially deflected. Determine the angle of the rope at the given test time.
Jednoduchý oscilátor se skládá z tělesa o hmotnosti m (uvažuje se pouze ve směru osy x) a lineární pružiny s tuhostí k . The mass is embedded on a surface with Coulomb friction and is loaded by constant-in-time axial and transverse forces.
Konzola je na pravém konci zatížena příčnou a normálovou silou a na levém konci je plně fixována. The problem is described by the following set of parameters. The problem is solved by using the geometrically linear analysis, second-order analysis, and large deformation analysis.
A structure made of an I-profile is fully fixed on the left end and embedded into the sliding support on the right end. Konstrukce se skládá ze dvou segmentů. The self-weight is neglected in this example. Determine the maximum deflection of the structure, the bending moment on the fixed end, the rotation of segment 2, and the reaction force at point B by means of the geometrically linear analysis and the second-order analysis. The verification example is based on the example introduced by Gensichen and Lumpe.
Konzola je na svém volném konci zatížena momentem. Using the geometrically linear analysis and large deformation analysis, and neglecting the beam's self-weight, determine the maximum deflections at the free end. The verification example is based on the example introduced by Gensichen and Lumpe.
A long, thin beam is carrying a concentrated mass and is loaded by a time-dependent force. Je prostě podepřený. The problem is described using the following parameters. Determine the deflections in the given test times.
Časová analýza konzoly (SDOF - systém s jedním stupněm volnosti), která je buzena periodickou funkcí. Vertical deformations and accelerations calculated with direct integration and modal analysis in RF‑/DYNAM Pro - Forced Vibrations are compared with the analytical solution.
Ocelové lano nebo membrána s kolíky na obou koncích jsou zatíženy rovnoměrným zatížením. Neglecting its self-weight, determine the maximum deflection of the structure using the large deformation analysis.
Stanovíme ohybový moment, který při působení na volném konci konzoly způsobí ohyb prutu do kruhového tvaru. Neglecting the beam's self-weight, assuming the large deformation analysis, and loading the cantilever with the moment, determine its maximum deflections.
Nosník uložený na obou koncích je zatížen soustředěnou silou uprostřed. Neglecting its self-weight and shear stiffness, determine the beam's maximum deflection, normal force, and moment at the mid-span, assuming the second- and third-order analysis.
Ocelový nosník se čtvercovým průřezem je zatížen normálovou silou a spojitým zatížením. The image shows the calculation of the maximum bending deflection and critical load factor according to the second-order analysis.
Osově zatížený ocelový nosník se čtvercovým průřezem je na jednom konci kloubově uložený a na druhém pružně podepřený. Two cases with different spring stiffnesses are considered. The verification example solves the calculation of the load factors of the beam in the image using the linear stability analysis.