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Analyses

We provide technical support for product development with a strong focus on space-specific structural and thermal requirements. Our services include compiling system requirements, conducting corresponding analyses, and preparing multidisciplinary (coupled) analysis models.
Thermal analysis of a Star Sensor Bracket for a satellite (detailed FE model - ANSYS)

Thermal-Analyses

  • Static and transient analyses (temperature distribution, heat flow)
  • Evaluation of the thermal balance of active and passive components
  • Design optimisation based on many years of experience and numerical methods
  • Abstraction and implementation of complex thermal boundary conditions in mathematical models
  • Tools: ANSYS (FEM), ESATAN-TMS
  • ANSYS (FEM)
    • Applied for the complete spectrum of thermal analyses
    • Realisation of detailed, parametric models
    • Numerical design optimisation and sensitivity studies
  • ESATAN-TMS
    • Thermal analyses for space projects
    • Model derivation from CAD-geometry and FEM-models
    • Direct generation of detailed and reduced geometric and thermal models (GMM und TMM)
    • Computation of specific parameters required for ESATAN models by detailed FEM simulations

Structural Analyses

for Seismic Events
  • Performance of structural analysis for seismic events / earthquakes (e.g. for nuclear research installations)
  • Verification of structural integrity according international standards, e.g.:
    • EUROCODE 8
  • Derivation of seismics loads
  • Seismic analyses using different analysis approaches:
    • Quasi static analysis
    • Reponse spectrum analysis
    • Transient analysis
Thermo-mechanical analysis of a Calorimeter plate for the ASDEX Upgrade Experiment

Thermo-Mechanical Analyses

  • Experience in analysis of thermo-mechanical problems like liquid-cooled structures
  • Consideration of temperature dependent material properties
  • Methods: FEM
  • Tools: ANSYS
Random vibration analysis of an On-Board Calibration Unit for an optical instrument of a satellite

Structural Dynamics

  • Modal analysis
  • Transient analyses (structural responce to arbitrary transient excitations, linear/non-linear)
  • Computation of transfer-functions (structural response to harmonic harmonische excitations)
  • Computation of shock-responce (determination of structural response to shock-/impact loads)
  • Methods: FEM (implicit and explicit methods), analytical methods, numerical simulation, handbook based methods
  • Tools: ANSYS, FEMAP (NASTRAN), LS-Dyna, Matlab/Simulink, LTH, HSB
We adapt models to the necessary level of detail for each design phase—from simplified shell models for early feasibility studies to detailed solid models for final verification.
Special attention is given to critical elements for manufacturing and mass optimization, including in-depth analysis of specific load cases and comprehensive evaluation of results.

Development and Verification Analyses

  • Technical support for product development
  • Consideration of space-specific requirements for mechanical and thermal models
  • Recording system requirements and analysis needs
  • Creation of multidisciplinary, coupled analysis models
  • Model refinement according to the development status:
    • From the surface model with equivalent stiffnesses
    • To the detailed volume model with geometry, stiffness & couplings
    • Up to the modelling of production-specific or mass-optimized design elements
  • Analysis of specified load cases and evaluation of results
Eddy currents in a Bolometer for ITER

Electro-Magnetic Analyses

  • FEM Analysis of the mechanical reaction due to electromagnetic loads as induced by disruptions at fusion experiments
  • Verified multi-level analysis sequence
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Solid FE model of telescope structure

Static Analyses

  • Static FEM analyses
  • Strenght analyses
  • Stability analyses
  • Linear and non-linear analyses
  • Analyses of composite structures
  • Implementation of csutom specific failure criteria
  • Methods: FEM, analytical methods, handbook based methods
  • Tools: Ansys, Matlab/Simulink, LTH, HSB, Mil.-HDBK
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Schematic representation of a multi-objective optimisation using Evolutionary Algorithms

Optimization

  • Structural optimization (light weigt structures)
  • Functional optimization (e.g. actuator positioning)
  • Optimization of composite structures
  • Optimization of discrete problems/ combinatorical problems
  • Methods: standard gradient-based methods, evolutionary algorithms, response-surface-methods
  • Tools: Matlab/Simulink, Ansys, Octave, proprietary codes