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One day seminar!

Durability and Fatigue Seminar

December 12 in Cypress, California


Siemens PLM cordially invites you for an informative and educational day covering the process and best practices for predicting and optimizing product durability and fatigue life.

This seminar can help you answer questions like:

  • How long will my part survive?
  • How can I correlate my simulation models to match my test based targets?
  • How can I develop a controlled/accelerated test that captures my operational loads?
  • How damaging are the loading environments of our structure?
  • How do we establish and quantify a durability target based on customer data?
  • Why doesn't my part fail at the maximum stress location?

Both simulation and test methods for product durability engineering will be presented side-by-side, integrated methodology.


8 a.m. Welcome and coffee

8:30 a.m. Fundamental Concepts: Why Predict Product Life?
-Stress, strain, damage, and fatigue life
-Cyclic fatigue versus static strength


9 a.m. Understanding Loads-Test and Simulation
-Load data acquisition
-Strain gauges, LVDT, string pots, load cells, canbus and GPS.
-Data cleanup: Spike removal, drift correlation and anomaly detection
-Simulation: Flexible bodies, unit loads, modal superposition, transient analysis


10 a.m. Break


10:15 a.m. Load Data Processing: Understanding Damage Content an Establishing a Target
-Cycle counting, SN curves, miner’s rule
-Mean stress and other SN curve adjustments
-Rainflow counting and interpretation
-Endurance limit and Haigh-Goodman diagram


Noon Lunch


1 p.m. Fatigue Life Approaches
-Simulation methods overview
-Applications related to spot welding and seam welding
-Load extrapolation: Quantile and statistical various methods
-Operator and event variation
-Load superposition
-Setting targets from customer data


2:30 p.m. Break


2:45 p.m. Accelerated Testing and Simulation
-Block cycle testing
-Damage based time compression
-Mission synthesis
-Nodal elimination


4 p.m. Frequency Based Fatigue
-FFT’s and power spectral density (PSD)
-Shock response spectrum (SRS)
-Fatigue damage spectrum (FDS)


4:30 p.m. Close


Venue:
Siemens PLM Software
10824 Hope St
Cypress, CA 90630

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