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GGU-LATPILE: General

GGU-LATPILE solves the differential equation for an elastically embedded pile using the given boundary conditions.

EJ · w'''' + kS · b · w = q

with

  • E = Young's modulus
  • J  = moment of inertia
  • w = pile displacement
  • kS = subgrade reaction modulus
  • b   = pile width
  • q   = load

The solution is determined numerically using the so-called finite element method.

Action boundary conditions at the pile head can be defined (see menu item "Editor 1/System input"). At the pile toe, boundary conditions are generally:

  • Moment = 0.0,
  • Shear force = 0.0,
  • Vertical displacement = 0.0.

If you want to define a moment restraint at the pile head, select the "Editor 2/Displacement boundary conditions" menu item and enter this condition directly below the pile head:

image-20241115-094251.png

Proceed in a similar manner if, for example, you want to set horizontal displacement to zero (0).