Esempi di verifica

Equivalent Loads

A cantilever beam with I-beam cross-section of length L is defined. The beam has five mass points with masses m acting in X-direction. The self-weight is neglected. The frequencies, the mode shapes and the equivalent loads of this 5-DOF system are analytically calculated and compared with results from RSTAB and RFEM.

Cantilever Beam (SDOF) with Periodic Excitation

Time history analysis of a cantilever beam (SDOF system) excited by a periodic function. Vertical deformations and accelerations calculated with the direct integration and the modal analysis in RF-/DYNAM Pro Forced Vibrations are compared with the analytical solution.

Natural Vibrations of a Planar Truss Structure

A planar truss structure is simply supported. The aim of this verification example is to determine the natural frequencies of the structure.

Transient Response to a Constant Force

A long thin beam is carrying a concentrated mass and it is loaded by means of the time dependent force. It is simply supported. The problem is described by the following parameters. Determine the deflections in given test times.

Modal Analysis of the Cantilever

A steel cantilever of rectangular cross-section is fully fixed on one side and free on the other side. The aim of this verification example is to determine the natural frequencies of the structure.

Single Mass System Oscillation

A single mass system is subjected to the loading force. Determine the deflection of the system.

Bending of Simply Supported Triangular Plate

A simply supported equilateral triangular plate is subjected to uniformly distributed transversal load. Assuming small deformation theory and neglecting self‑weight, the maximum out‑of‑plane deflection of the plate is determined.

Clamped Elliptic Plate Under Transversal Load

An elliptic plate with clamped boundary is subjected to a uniformly distributed transversal load. Assuming small deformation theory and neglecting self‑weight, the maximum out‑of‑plane deflection of the plate is determined.

Rectangular Plate Under Lateral and Transversal Load

A simply supported rectangular Kirchhoff plate is subjected to both uniformal distrubuted lateral and transversal load. Assuming small deformations, the maximum out-of-plane deflection is determined.

Plastic Thick-Walled Vessel

A thick-walled vessel is loaded by such an inner pressure that the vessel reaches an elastic-plastic state. While neglecting self‑weight, the analytical and numerical solutions for the radial position of the plastic zone border (under the Tresca hypothesis) are determined and compared.

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