Structural and FEM analysis

Finite Element Method (FEM) applied to Structural and dynamic analysis, mechanical environment specification and acoustic analysis. Computational Fluid Dynamics (CFD) and fluid-structure interaction (FSI) techniques. Mechanical components specification, heat transfer analysis and mechanism analysis.

Endeavour’s analysis expertise includes activities for several industries such as:

  • Aeroespace
  • Nuclear energy and nuclear research reactors
  • Radars and defence
  • Civil Engineering and Architecture
  • Oil & gas
  • Mining
  • Agroindustry

Standard-based calculations

Structural and civil engineering.

  • Structural analysis based on INTI-CIRSOC and EUROCODES.

  • Seismic loads according to INPRES.

Pressure Vessels and piping.

  • Pressure vessel calculation based on ASME VIII DIv. I and II codes.

  • Pressure vessel calculation based on API standards.

  • Nuclear and power generation piping systems calculation based on ASME D31.1 and 31.3.

Mechanical environment for structures and electronic equipment.

  • Mechanical environment specification for vibration and shock studies according to NASA, IEEE, IEC, MIL-STD standards.


Structural analysis

Stress visualization for structural components in a satellite.

Non-linear analysis.

  • Geometrical nonlinearity: high deflections, high deformations.
  • Material nonlinearities: creep, plasticity, viscoelasticity, hiperelasticity.
  • Contact nonlinearities: solid-to-solid friction, viscous interaction between solid and fluids.

Static and quasi-static analysis.

Buckling analysis.

Dynamic analysis.

  • Modal (natural frequencies and normal modes).
  • Frequency response (sine sweep, transfer functions).
  • Random vibrations and probabilistic approach.
  • Shock (impact transient analysis).
  • Design and specification of vibratory insulators.

Fatigue and ratcheting analysis.

Rotating machinery analysis.

  • Start curves.
  • Balancing of rotating devices.

Upset stability analysis under seismic conditions and lateral loads.

Dynamic loads during shipping and design of protective containers:

  • Ship, plane, truck and train shipping load analysis under NASA and MIL-STD standards.
Frequency response.
Non linear stress concentration analysis.
Shipping load analysis.

Computational Fluid Dynamics (CFD)

One-phase flow:

  • Laminar flow.
  • Turbulent flow.
  • Transition flow.
  • Flow around rotating machinery.
  • Head loss in piping and hydraulic circuit components.
  • Water Hammer.

Analysis of aerodynamic profiles, blades and fuselage.

Supersonic flow.

Non-isotermic flow.

Particle flow.

Under-surface flow and porous medium flow studies.

Multiphysics interaction

Flow lines in turbulent flow.
Displacement map produced by wind loads.

Fluid-To-Structure interaction (FSI):

  • Acoustic-mechanical coupling.
  • Vibration in hydraulic circuits.
  • Dynamic wind loads on structures.

Thermoelastic analysis.

Wind load on structures.

Thermal analysis

  • Stress analysis due to thermal loads in stationary state or cyclic loading.

  • Conduction, convection and radiation heat transfer analysis.

  • Thermal transitory analysis.

  • Heat exchanger dimensioning.

Piping stress analysis

  • Primary and secondary static stresses in operation, expansion and sustained cases.

  • Modal, armonic and spectral dynamic analysis and relief loads.

Failure modes and effect analysis (FMECA).

  • Different priorities are given to failure modes depending on how serious are the consequences, frequency of occurrence and detection difficulties.

  • The objective is to eliminate or reduce failures, starting with those with higher priority.

  • Standard ISO/TD 16949 is applied.