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The stress-strain state of a 3D bar system with elastic restraints under the concentrated load


The stress–strain state of a plane truss under mechanical, thermal and kinematic loads.


  • 29 October 2025
  • LIRALAND

Test 1.3. Beam with a prestressed tie

  • 29 October 2025
  • LIRALAND

Test 1.3. Beam with a prestressed tie

The stress–strain state of a beam with a tie, taking into account transverse shear deformations in the beam.


The stress–strain state of a cantilever plate.



The stress–strain state of a cylinder with free ends subjected to internal pressure.


The stress–strain state of a torus subjected to internal pressure.


The stress–strain state of a cylindrical shell subjected to self-weight.


The stress–strain state of a narrow cantilever plate subjected to a couple of forces causing torsion.


The stress–strain state of a vertical prism subjected to loading due to its self-weight.


The stress–strain state of a prismatic beam subjected to a bending moment.


The stress–strain state of a beam on an elastic foundation under the concentrated forces and a distributed load varying according to a triangular law.


The stress state of a curved narrow beam with a rectangular cross-section under bending by a concentrated force applied to the free end.


The stress state of a symmetric wedge of unit thickness subjected to compression and bending by concentrated forces


The stress-strain state of a symmetric wedge of unit thickness subjected to bending by a concentrated moment


The stress–strain state of a symmetric wedge of unit thickness subjected to bending by a uniformly distributed load.


The stress-strain state of a wall-beam subjected to bending by a uniformly distributed load


The equilibrium of plate sections parallel to the supported edges based on shear stresses.


The stress-strain state of a cylindrical tank with a wall of constant thickness subjected to liquid pressure.


The stress-strain state of a thick circular slab rigidly fixed along the contour and subjected to a uniformly distributed load applied to the upper surface, in accordance with the three-dimensional theory of elasticity.


The stress–strain state of a plane truss under the concentrated load.


The stress–strain state of a system of intersected bars subjected to a distributed load and a concentrated load acting in the plane of the system.


Bending in the plane of loading under the concentrated load, neglecting transverse shear deformations. The maximum values of transverse displacement w, rotation angle θ, and bending moment M are verified.


The stress state in the elements of a spatial pin-jointed bar system subjected to a concentrated load.


Displacements of the free end x, y, z and the maximum stress σz in the fixed cross-section. Verification of consistency of results for models of different dimensions.


Combined loading (transverse load, concentrated load) acting in a single plane, neglecting transverse shear deformation. Displacements and internal forces are verified.


Beam fixed at both ends subjected to in-plane loading without considering shear deformation. The maximum transverse deflection and bending moments are verified.


The stress–strain state of a beam fixed at both ends under the uniformly distributed load, concentrated axial and transverse forces, and a bending moment.


The deformed state of a simply supported beam (with three stiffness steps) subjected to concentrated loads, neglecting transverse shear deformation. Transverse displacements and rotations are verified.


The stress–strain state of a two-span simply supported beam with an intermediate elastic support subjected to concentrated transverse forces applied at the mid-spans.


The stress–strain state of a beam (on an elastic horizontal foundation) under the concentrated vertical forces.


The stress state of a beam fixed at both ends under the transverse displacement of one end.


If the design model is too large, it can be convenient to organize a recursive analysis by partitioning the entire system into subsystems—super-elements (SE). This approach works well when the subdivision is natural: for example, a building composed of volumetric blocks (each volumetric block is a super-element) or ...