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Numerical Simulation and strength evaluation

IMA Dresden offers engineering services throughout the entire development phase as well as during the use of a product, taking the economic requirements for shorter production development times and innovative and high-quality design with with better material efficiency and weight-optimised structures into account for optimal flow of forces.

During the development phase, we make statements about the design of components and give you the chance to compare different types of design. We make lifecycle assessments by establishing load assumptions, determining concrete production process-dependent component strengths, and examining stress, deformation and stability.

We use computational and experimental findings relating to the operational and permanent strength to determine how much dynamic stress a construction has to bear, which dimensions achieve the best strength values, and how the natural vibration and resonance behaviour affects the structural strength. We also calculate and assess the lifespan. Our results have helped you to optimise your components at the development stage.

If necessary, we record stresses that occur during real use by conducting appropriate measurements, measuring runs and continuous monitoring.

Our portfolio

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Measurements and Measurement Runs

Stresses in real use are recorded by measurements, test drives and continuous monitoring, depending on the application. We carry out measurements of mechanical and electrical quantities under static and dynamic load under operating conditions, install complete measuring chains including process adaptation.

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Software and Software Solutions

We have solved the management of data and documents from processes in the areas of research and development, simulation and calculation, laboratory, quality management, process development and production planning - with the WIAM® database systems we offer suitable software solutions with flexible data structures, display options and evaluations.

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Training and Seminars

Benefit from our cross-industry know-how: In training courses and seminars directly at your company or at our site, you will receive extensive specialist knowledge - from courses for non-destructive testing (ZfP / NDT) about the FKM guideline "Computational Strength Verification of Machine Components" to software user training for WIAM® fatigue RIFEST.

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Materials databases

The databases of our WIAM® product line provide material information and characteristic values ​​that are used reliably for material selection, design, standardization, calculation and simulation. The data pool draws on material and fundamental experiments from the last five decades, and new materials are systematically integrated.

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Aerospace

Whether it's for life-time certification or certification of the aircraft component, IMA engineers test, simulate, or calculate any design group of an aircraft, such as aircraft, for reliable results. B. hull works, structures, tail units, trolleys and engines and interior components.

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Automobiles

Powerful for every vehicle type - our strength tests, approval tests or development tests are proven to be reliable for testing the operational strength and service life of automotive components, media-conducting systems, electrical components and materials.

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Railway

At our testing and development center, we test all rail vehicle components and materials for strength and service life. In terms of product and operational safety as well as quality assurance, we bundle the forces of testing and test design in our company with measurement, calculation, simulation and proof of strength as well as construction.

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Medical Devices

In the approval and development of medical devices, we support in particular with strength and wear tests of joint endoprostheses, osteosynthesis products, traumatology products, surgical instruments and skin adhesives according to standard or special test

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Material Testing for Plastics and Composite Materials

From the base material through the manufacturing technology to the approval of the finished product - our material tests are DAkkS and NADCAP accredited. This includes static, cyclic and dynamic tests as well as static long-term tests, including sample production.

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Materials Testing Metals

Our material specialists accompany you in the implementation of your test programs as well as standardization, approval and certification of materials or manufacturing processes. We stand by your side during the entire test procedure, from the consultation, test planning and sample production, over the test itself up to the finished test report.

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Based on high-performance international software systems, IMA Dresden offers comprehensive FEM and MKS analysis options and construction-related calculations.

 

FEM analysis

Experienced calculation engineers from the fields of statics, operational strength and dynamics are on hand to optimise your product by scaling its mass and form on the basis of FE analysis. We determine stresses and deformations, examine the stability behaviour, obtain static, operational and permanent strength verifications, evaluate natural modes and resonances, and analyse and assess damage.

Static analysis

  • Stresses and deformations (linear/materially or geometrically non-linear)
  • Dents and stability
  • Contact simulation with/without friction
  • Material properties (isotropic/orthotropic, plastic/elastic/viscous, composites)

Fatigue strength analysis

  • Determination of the temporal load profile and the load collective
  • Verification of permanent, fatigue and operational strength following FE analysis

Dynamic analysis

  • Natural frequencies and forms
  • Transient processes
  • Harmonic Analysis

Convenient data exchange via CAD interfaces (incl. Iges, Parasolid, Step, Acis, Pro/E) and FE interfaces (Nastran, Ansys, Marc, etc.).

Sample references in industry and research

  • Static analysis, including static and dynamic strength verification and optimisation of vehicle assemblies and structures, e.g. overall structures, frames, drive and engine assemblies, and wheelset bearing housings.
  • Strength and vibration calculations, including drive comfort, and static and dynamic basic studies of rail vehicle structures of different designs, e.g. steel, fibre composite materials, hybrid solutions
  • Static and dynamic investigations of high-stress pulse testing units, incl. earthquake checks
  • Static analysis of shell structures made of fibre composites, including non-linear dent examinations, e.g. front-opening hood for railways, aircraft fuselage shells, barrel and cupola shell structures.

 

Strength evaluations

IMA Dresden is there fore you, with high-performance technology, ready to analyse the stress and reliability of components and structures using the finite elements method and carry out strength tests.

We make statements about the safety of designs, in the form of

  • static strength verification
  • operational strength verification
  • fatigue strength verification and
  • drive comfort investigations

on the basis of calculated and measured stresses.

The complete knowledge on strength assessment is also available for measuring data analysis and the creation of test loads for strength tests.

We calibrate our calculations against our own measuring results, optimise masses and shapes for both static and dynamic behaviour, and analyse and assess damage.