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| About Dirlik Dirlik Controls installs and commissions test software to meet a range of British, European, American standards or customer specifications. Dirlik Controls Ltd was founded in 1995. The director, Dr. Turan Dirlik, who also developed the Dirlik Formula has been writing various customised testing software since 1980. Our existing customers include major manufacturers in automotive and aerospace industries, independent test houses, industrial laboratories and university departments. We respond rapidly to customer needs and are known for reliability, efficiency. Our products are designed to do the required job without a lot of unnecessary complexity. We deliver software quickly at competitive prices. |
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Fatigue analysis has traditionally been performed in the time domain, where cycles in a random stress or strain time history are identified using the rainflow cycle counting process. However, some structures are subject to random loading which may be more convenient to describe in the frequency domain by a Power Spectral Density (PSD) function. Much interest has been shown in fatigue damage analysis and possibly a rainflow range count, directly from PSD. |
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| Dirlik has produced an empirical solution which can be used to obtain the rainflow range probability density function from PDF data. | ||
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