Eine aus einem I-Profil bestehende Struktur ist in Gabellager eingebettet. 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.
Ein ebener Fachwerkträger aus vier geneigten Stäben und einem vertikalen Stab wird am oberen Knoten mit der Vertikalkraft und einer außerhalb der Ebene liegenden Kraft belastet. 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.
This verification example compares wind load calculations on a duopitch roof building using the ASCE 7-16 standard and using CFD simulation in RWIND Simulation. Das Gebäude wird anhand der Skizze und des in der Norm ASCE 7-16 enthaltenen Anströmgeschwindigkeitsprofils definiert.
This verification example compares wind load calculations on a flat roof building using the ASCE 7-16 standard and using CFD simulation in RWIND Simulation. Das Gebäude wird anhand der Skizze und des in der Norm ASCE 7-16 enthaltenen Anströmgeschwindigkeitsprofils definiert.
Eine Konsole aus Rundstab wird durch eine aussermittige Normalkraft belastet. Determine the maximum vertical deflection of the console using the geometrically linear and second-order analysis.
Eine Konsole aus Rundstab wird durch eine exzentrische Querkraft belastet. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
Eine Konsole aus Rundstab wird durch eine aussermittige Gleichlast belastet. Determine the maximum deflection and maximum twist of the console using the geometrically linear analysis.
A simply supported beam is loaded by pure bending. Aufgrund des Biegeknickens versuchen Sie die Verzweigungslast und den zugehörigen Lastfaktor zu ermitteln.
Dieses Verifikationsbeispiel basiert auf dem Verifikationsbeispiel 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.
Eine symmetrische flache Struktur besteht aus acht gleichen Fachwerkstäben, die in Gelenklagern eingebettet sind. 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. 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 the given deflections.
A cable is loaded by means of a uniform load. Das hat eine deformierte Form in Gestalt von einem Kreissegment zur Folge. Determine the equilibrium force of the cable to obtain the given sag of the cable. The add-on module RF-FORM-FINDING is used for this purpose. Elastic deformations are neglected both in RF-FORM-FINDING and in the analytical solution; self-weight is also neglected in this example.
Eine Struktur besteht aus vier Fachwerkstäben, die in Gelenklagern eingebettet sind. 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.
Berücksichtigen Sie die im Bild Nr.1 dargestellte Stabspannweite ASTM A992 W 18 × 50 und die gleichmäßigen Eigen- und Nutzlasten. 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.
A thin rectangular orthotropic plate is simply supported and loaded by uniformly distributed pressure. The directions of axes x and y coincide with the principal directions. Bestimmen Sie maximale Durchbiegung der Platte, ohne das Eigengewicht dabei zu berücksichtigen.
Ein gekrümmter Träger besteht aus zwei Trägern mit rechteckigem Querschnitt. The horizontal beam is loaded by distributed loading. While neglecting self-weight, determine the maximum stress on the top surface of the horizontal beam.
Ein dünnwandiges konisches Gefäß ist mit Wasser gefüllt. 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.
A closely coiled helical spring is loaded by a compression force. The spring has middle diameter D, wire diameter d, and it consists of i turns. Die Gesamtlänge der Feder ist L. Determine the total deflection of the spring for the member model and one‑turn deflection for the solid model.
Eine einfach gelagerte Rechteckplatte wird unterschiedlichen Lastarten ausgesetzt. Assuming only the small deformation theory and neglecting self-weight, determine the deflection at its centroid for each load type.
A two-layered, open-ended, thick-walled vessel is loaded by inner and outer pressure; therefore, there is no axial stress. Es wird die radiale Durchbiegung von Innen- und Außenradius sowie der Druck (radiale Spannung) ermittelt, wobei das Eigengewicht nicht berücksichtigt wird.
Am oberen Ende ist ein Stab mit quadratischem Querschnitt befestigt. 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.
Dieses Beispiel dient zur Veranschaulichung der Ebene. 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.
In diesem Beispiel soll der nicht umkehrbare Prozess aufgezeigt werden, der durch Reibung verursacht wird. 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.
Eine Konsole wird an ihrem freien Ende durch konzentrierte Kraft belastet. Determine the maximum deflection of the console using large deformation analysis.
A cantilever is loaded by a transversal and an axial force on the right end and is fully fixed on the left end. Das Problem wird durch folgenden Parametersatz beschrieben. 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. Die Struktur besteht aus zwei Segmenten. 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.
A cantilever is loaded by a moment at its free end. Using the geometrically linear analysis and large deformation analysis, and neglecting the beam's self-weight, determine the maximum deflections at the free end. Dieses Verifikationsbeispiel basiert auf dem von Gensichen und Lumpe vorgestellten Beispiel.
A member with the given boundary conditions is loaded by torsional moment and axial force. Neglecting its self-weight, determine the beam's maximum torsional deformation as well as its inner torsional moment, defined as the sum of a primary torsional moment and torsional moment caused by the normal force. Vergleichen Sie diese Werte, während Sie den Einfluss der Normalkraft annehmen oder nicht berücksichtigen. 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. Er wird einfach gelagert. The problem is described using the following parameters. Determine the deflections in the given test times.
A timber beam reinforced by two steel plates at the ends is loaded by pressure. The wood fibers are parallel to the upper loaded side of the beam. Die plastische Oberfläche wird nach der Tsai-Wu-Plastizitätstheorie beschrieben.