Consulting and Simulations

You are here:  Services  ›  Consulting and Simulations

Consulting by CADFEM

If you do not want or can not calculate for yourself, we will perform complete order calculations, including verification and evaluation of results. With all our simulation experience and gladly also with you together.

 

Whether for the simple axle carrier, the electron accelerator or the waste sorting system: With CADFEM, you can take advantage of comprehensive expert knowledge in the short term. Whether it is to meet occasional simulation needs, to bridge personnel gaps, to expand their own know-how or to secure results. Even if you are stuck on your own or looking for new ways, we are here for you.

 

We make no secret of our project knowledge. Results evaluation and discussion are an integral part of our order simulation. And we will pass on to you all that we have developed as part of your project. Apart from the result, this is also a solution and possible scripts. This lets you see how we did it, and maybe even master the next simulation.

Our Range

With FEM simulations in the customer order, we cover all types of analysis that our software portfolio supports. In addition, we offer a variety of industry- and customer-specific detection methods, taking into account the current regulations.

We also offer job simulations as individual training courses on the job. Under the guidance, users learn the software handling on the concrete project and profit from the know-how of CADFEM professionals.

  • deformation
  • temperature
  • Voltage analysis
  • Vibration analysis
  • Strength (static and operational strength)
  • Fall test analyzes (droptest)
  • Acoustics
  • Crash
  • electromagnetic fields
  • flow
  • optimization
  • Customized software customization: ANSYS, WB Customization, Implementing material models

 

 

 

  • Machine, plant and steel construction (eg FKM, IIW, crane construction DIN 15018, steel construction DIN 18800)
  • Crash (eg dummies, passenger seats according to ECE-R14, ECE-R17, Euro-NCAP, FMVSS)
  • Machine elements (eg screws VDI2230, press fitting DIN 7190)
  • Pressure vessel (eg AD2000, ASME, EN13445)
  • Electronics (eg environmental tests according to DIN EN60068, Shakertest, component according to JEDEC)
  • Energy technology (eg KTA)
  • Customer-specific proof

Examples of job simulations

 

Simulation in order makes many things possible. Here, we present four applications for you, representing several thousand simulation projects that we carried out on behalf of the company. You can find further reference projects in our project database.

Simulation of an aortic valve and its stent

 

ADMEDES Schuessler GmbH, together with CADFEM (Suisse) AG, has developed a procedure in which complex cardiac operations are simplified with simulations in ANSYS Multiphysics.

Benefit for the customer through this pilot project:

 

 

  • Novel findings on the development of forces and stress during a systolic pulse,
  • Demonstrating the stability and robustness of the stent under the simulated conditions,
  • Detailed information, which can not be reached with experimental measurements,
  • A customer-specific modeling process for predicting stent stability and longevity at different working conditions.

 

Case test of a thermal imaging camera

 

The explicit simulation of drop tests of a thermal imaging camera by Dräger illustrated the deformation behavior for different impact situations and showed how a robust geometry has to be designed.

Through the explicit simulation of a drop test the following advantages could be achieved:

 

  • A simple and inexpensive prediction of the deformation behavior for different impact positions,
  • The rapid identification of highly loaded areas,
  • The creation of a load-adapted geometry using easy-to-implement variant studies.

 

Elastoplastic materials with creep behavior

 

In order to determine the material properties of plastic parts with regard to elasticity, plasticity and creep, a workflow was developed by Miele and CADFEM, in which the required parameters are directly derived from component tests using the simulation.

The high effort for the experimental determination of material parameters can be significantly reduced with the workflow based on the ANSYS DesignExplorer. The resulting benefits are reflected in the following factors:

 

  • Reduction of the cost and time required to determine the material parameters,
  • Verification of material parameters,
  • Additional gain in knowledge regarding material behavior.

 

Tubes for high pressure heat exchangers

 

For Schoeller-Bleckmann Nitec, manufacturer of high-pressure devices - eg heat exchangers - the welding delay was simulated. The resulting design rules facilitate the production of flat workpieces in large area surfacing.

By calculating the welding delay for the respective dimensions and materials, the component can be manufactured correctly. The slope, which results from the FE calculation, is used directly as a new design rule in order to determine the appropriate cone height according to the respective tube plate proportions. This eliminated the risk of an excessively high welding delay or an incorrect head height so that now high costs for post-processing and delays at the delivery date are a thing of the past. In addition, the engineers at Schoeller-Bleckmann Nitec have further developed their know-how with regard to large-area surfacing, so that they can define or adapt the decisive parameters for the process behavior more specifically.

 

Rotordynamic simulation with superconductors

 

For Siemens, rotordynamic simulations were carried out with regard to natural frequencies and modal damping for the development of a superconducting generator, since the construction of such complex rotor structures would be unthinkable without previous simulation.

By supporting CADFEM, the simulation calculations required for Siemens were carried out according to the project requirements within a tight time frame. A further benefit was the fact that Siemens was not only able to take advantage of the many years of experience at CADFEM, but also to transfer the relevant know-how to Siemens employees. The simulations are an essential prerequisite for the success of the test stand project.

 

Analysis of motor acoustics with ANSYS Workbench

 

On the basis of parameter studies, MAN Diesel & Turbo commissioned the calculation of the acoustic emission of vibrating structures of an engine in order to be able to record and reduce the noise contribution of components at an early stage.

A reliable workflow has been created for the simulation of the acoustic emission of vibrating structures. Combined with the consistent use of the ANSYS HPC technology, this enables the engineers:

  • To make acoustic decisions already in the early design phase of an engine,
  • Carrying out systematic parameter studies to record the noise contribution of engine components,
  • Measures which reduce the noise level (eg damping layer, ribs, decoupling ...)
  • Save time and money by reducing the number of real prototypes.