Une structure faite de profilé en I est intégrée dans les appuis des fourches. The axial rotation is restricted on both ends while warping is enabled. The structure is loaded by two transverse forces in the middle. The verification example is based on the example introduced by Gensichen and Lumpe.
Un treillis plan composé de quatre barres inclinées et d'une barre verticale est chargé au niveau du nœud supérieur à l'aide d'une force verticale et d'une force hors du plan. 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.
The verification example compares wind load calculation on a building with a flat roof using the standard EN 1991-1-4 and using CFD simulation in RWIND Simulation. Le bâtiment est défini d'après le croquis et le profil de vitesse d'afflux est calculé selon la norme EN 1991-1-4.
Une force axiale excentrée s'exerce sur une console constituée d'une barre arrondie. Determine the maximum vertical deflection of the console using the geometrically linear and second-order analysis.
Une force transversale excentrée s'exerce sur une console constituée d'une barre ronde. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
Une charge excentrique uniforme s'exerce sur une console constituée d'une barre ronde. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
Une bielle de section circulaire est supportée selon quatre cas de base de flambement selon Euler et est soumise à une force de pression. Determine the critical load.
Cet exemple de vérification est basé sur l'exemple de vérification 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. Le poids propre est négligé dans cet exemple. Determine the relationship between the actual loading force and the deflection, considering large deformation analysis. Evaluate the load factor at the given deflections.
A structure is made of four 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 snap-through occurs. Imposed nodal deformation is used in RFEM 5 and RSTAB 8 to obtain the full equilibrium path of the snap-through. Le poids propre est négligé dans cet exemple. Determine the relationship between the actual loading force and the deflection, considering large deformation analysis. Evaluate the load factor at given deflections.
Considérons la travée de barre ASTM A992 W 18×50 ainsi que les poids propre et les charges d'exploitation représentés sur la Figure 1. The member is limited to a maximum nominal depth of 18 inches. The live load deflection is limited to L/360. The beam is simply supported and continuously braced. Verify the available flexural strength of the selected beam, based on LRFD and ASD.
Un poteau est composé d'une section en béton (rectangle 100/200) et d'une section en acier (profilé I 200). It is subjected to pressure force. Determine the critical load and corresponding load factor. The theoretical solution is based on the buckling of a simple beam. In this case, two regions have to be taken into account due to different moments of inertia and material properties.
Une poutre courbe est composée de deux poutres de section rectangulaire. The horizontal beam is loaded by distributed loading. While neglecting self-weight, determine the maximum stress on the top surface of the horizontal beam.
Un réservoir conique à parois minces est rempli d'eau. Thus, it is loaded by hydrostatic pressure. While neglecting self-weight, determine the stresses in the surface line and circumferential direction. The analytical solution is based on the theory of thin-walled vessels. This theory was introduced in Verification Example 0084.
Un oscillateur simple est composé de la masse m (considérée uniquement dans la direction x) et du ressort linéaire de rigidité k. The mass is embedded on a surface with Coulomb friction and is loaded by constant-in-time axial and transverse forces.
Une bande bi métallique est composée d'invar et de cuivre. The left end of the bimetallic strip is fixed, and the right end is free, loaded by temperature difference. While neglecting self-weight, determine the deflection of the bimetallic strip (free end).
Une structure en treillis est composée de trois tiges (une en acier et deux en cuivre) reliées par une barre rigide. The structure is loaded by a concentrated force and a temperature difference. While neglecting self‑weight, determine the total deflection of the structure.
Un porte-à-faux de section rectangulaire possède une masse à son extrémité. Furthermore, it is loaded by an axial force. Calculate the natural frequency of the structure. Neglect the self‑weight of the cantilever and consider the influence of the axial force for the stiffness modification.
Une plaque rectangulaire sur appuis simples est chargée de différents types de charge. Assuming only the small deformation theory and neglecting self-weight, determine the deflection at its centroid for each load type.
Cet exemple est une modification de l'exemple de vérification 0061 ; la seule différence est que le matériau du réservoir est incompressible. An open‑ended, thick‑walled vessel is loaded by both inner and outer pressure. While neglecting self‑weight, the radial deflection of the inner and the outer radius is determined.
A two-layered, open-ended, thick-walled vessel is loaded by inner and outer pressure; therefore, there is no axial stress. En négligeant le poids propre, la flèche radiale des rayons internes et externes, et la pression (contrainte radiale) du rayon central est déterminée.
Une barre de section carrée est fixée à l'extrémité supérieure. The rod is loaded by self-weight. For comparison, the example is also modeled with the concentrated force load, the value of which is equal to the gravity. The aim of this verification example is to show the difference between these types of loading, although the total loading force is equal.
Cet exemple sert de démonstration du couplage de diaphragme. The application is shown on a two-story structure. The structure is loaded by means of lateral forces according to Figure 1. Determine the maximum deflection of the structure ux in the direction of the loading forces using both the diaphragm constraint and the plate model of the floor.
Le but de cet exemple est de démontrer un processus irréversible causé par une friction. After the loading and unloading, the end-point is in a different position than where it was at the beginning. Determine the movement of the node in the X direction.
Une console est chargée par une force concentrée à son extrémité libre. Determine the maximum deflection of the console using large deformation analysis.
Un porte-à-faux est chargé par une force transversale et un effort normal à l'extrémité droite et est entièrement encastré à l'extrémité gauche. 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 is made of two trusses of unequal length, which are embedded into the hinge supports. The structure is loaded by concentrated force. le poids propre est négligé. Determine the relationship between the loading force and the deflection, considering large deformations.
A structure made of an I-profile is fully fixed on the left end and embedded into the sliding support on the right end. The structure consists of two segments. Le poids propre est négligé dans cet exemple. 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.
Un porte-à-faux est chargé par un moment à son extrémité libre. 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.