FKM Nonlinear Training Course

Forschungskuratorium Maschinenbau
/ Research Committee Mechanical Engineering

8 - 9 April 2025, online

Both days: 9​am - 5:30 pm CET (Central European Summer Time), UTC+2 (Berlin)

Language: English

This online training course covers the new ”FKM-Guideline Nonlinear” for static and cyclic loading. Besides detailed assessment procedures, background on the individual topics will be given for better understanding about the procedures. The course is aimed at newcomers in the field, as well as experts interested in the concept of the FKM guidelines.

The FKM guideline is a standard developed by the Forschungskuratorium Maschinenbau (Research Committee for Mechanical Engineering) – FKM - for static and cyclic strength verification. Due to its broad applicability, the strength verification has become widely used in mechanical engineering and other industries.

C​ourse Contents

Strength for monotonic loading – static strength

  • Evaluation Concept
  • Finite Element Analysis: FE-modeling and material
  • Safety factors
  • Assessment of static strength
  • Example

Cyclic strength

  • Overview and background information
  • Load history and cycle counting
  • Cyclic material behavior
    - ultimate strength
    - s-e and e-N curves
    - Parameter estimation
  • Damage parameter PRAM
  • Damage parameter PRAJ
  • Notch stress/strain approximation (Neuber and Seeger/Beste)
  • Proof concept using PRAM
  • Proof concept using PRAJ

 

 

 

 

 

 

 

 

C​ourse Agenda

Day 1

9:00-10:30

  • Introductory remarks
    Strength for monotonic loading – static strength I
    Evaluation Concept
    Finite Element Analysis: FE-modeling and material

11:00-12:30

  • Strength for monotonic loading – static strength II
    Safety factors
    Assessment of static strength
    Example

13:30-15:00

  • Cyclic strength I
    Overview and background information
    Load history and cycle counting

15:30-17.30

  • Cyclic strength II
    Cyclic material behavior
    - ultimate strength
    - s-e and e-N curves and parameters
    - Parameter estimation

Day 2

9:00-10:30

  • Cyclic strength III
    Damage parameter PSWT+Bergmann (PRAM)
    Damage parameter PJ (PRAJ)

11:00-12:30

  • Cyclic strength IV
    Notch stress/strain approximation (Neuber and Seeger/Beste)
    Proof concept using PRAM

13:30-15:00

  • Cyclic strength V
    Proof concept using PRAM cont.

15:30-17.30

  • Cyclic strength VI
    Proof concept using PRAJ

 

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