Una cercha plana que consta de cuatro barras inclinadas y una barra vertical está cargada en el nudo superior por medio de una fuerza vertical y una fuerza fuera del plano. 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.
Una membrana se estira por medio de un pretensado isótropo entre dos radios de dos cilindros concéntricos que no se encuentran en un plano paralelo al eje vertical. Find the final minimum shape of the membrane - the helicoid - and determine the surface area of the resulting membrane. 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.
Una membrana cilíndrica se estira por medio de un pretensado isótropo. Find the final minimal shape of the membrane - catenoid. Determine the maximum radial deflection of the membrane. 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.
Una estructura superficial simétrica se compone de ocho barras de celosía iguales, que están incrustadas en los apoyos de las articulaciones. 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.
Un cable está cargado por medio de una carga uniforme. This causes the deformed shape in the form of the circular segment. 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.
Una membrana de globo esférico se llena con gas con presión atmosférica y volumen definido (estos valores se usan solo para la definición del modelo de elementos finitos). Determine the overpressure inside the balloon due to the given isotropic membrane prestress. 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.
Un tubo con una sección tubular está cargado por una presión interna. This internal pressure causes axial deformation of the pipe (the Bourdon effect). Determine the axial deformation of the pipe endpoint.
Una estructura se compone de cuatro barras de celosía, que están incrustadas en apoyos de articulación. 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.
Una viga articulada con una sección rectangular está sometida a una carga distribuida y desplazada verticalmente por la excentricidad. Considering the small deformation theory, neglecting the self‑weight, and assuming that the beam is made of isotropic elastic material, determine the maximum deflection.
Una barra de acero entre dos apoyos rígidos con un espacio está cargada por una diferencia de temperatura. While neglecting self‑weight, determine the total deformation of the rod and its internal axial force.
Una fuerza concentrada se aplica repentinamente en la mitad del vano de una viga simplemente apoyada en un momento dado. Considering only the small deformation theory, determine the maximum deflection of the beam.
Se aplica una fuerza concentrada durante un corto período de tiempo en la mitad del vano de una viga simplemente apoyada. Considering only the small deformation theory and assuming that the mass of the beam is concentrated at its mid‑span, determine its maximum deflection.
Una placa rectangular simplemente apoyada está sujeta a diferentes tipos de carga. Assuming only the small deformation theory and neglecting self-weight, determine the deflection at its centroid for each load type.
Una placa elíptica con un contorno de sujeción está sujeta a una carga transversal distribuida uniformemente. Assuming the small deformation theory and neglecting the self‑weight, the maximum out‑of‑plane deflection of the plate is determined.
Una placa triangular equilátera simplemente apoyada está sometida a una carga transversal distribuida uniformemente. Assuming the small deformation theory and neglecting self‑weight, the maximum out‑of‑plane deflection of the plate is determined.
Una placa de Kirchhoff rectangular simplemente apoyada se somete a una presión lateral uniforme y se estira mediante una carga distribuida. The maximum out-of-plane deflection is determined by assuming small deformations.
Una consola está cargada por una fuerza concentrada en su extremo libre. Determine the maximum deflection of the console using large deformation analysis.
Un voladizo está cargado por una fuerza transversal y axil en el extremo derecho y está completamente fijo en el extremo izquierdo. 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.
Una barra ligeramente inclinada está cargada por una fuerza concentrada, sostenida por un muelle en un extremo y apoyada en el otro extremo. Assuming large deformations and neglecting the member's self-weight, determine its maximum upward deflection.
A structure is made of two trusses of unequal length, which are embedded into the hinge supports. The structure is loaded by concentrated force. Se omite el peso propio. Determine the relationship between the loading force and the deflection, considering large deformations.