+34 943 028690cetest@cetestgroup.comCETEST USA EN Modal analysis Rail Tests Home Rail tests Noise and vibrations testing services Modal analysis Modal analysis testing uses the most appropriate techniques or those which comply with specific requirements to determine the natural frequencies, vibration modes and shapes of components and/or vehicles. CETEST offers on-track and laboratory modal analysis testing. We perform Experimental Modal Analysis (EMA). This involves applying a known excitation to the component being studied by means of an instrumented hammer, shakers or through the relaxation method. This analysis is best-suited to elements of reduced dimensions or which present a low damping ratio. We also perform Operational Modal Analysis (OMA), where the system is studied in normal operation conditions and it is assumed that the excitation received can be modelled as white noise. This analysis is recommended for elements of large dimensions in which the ambient excitation is constant in the frequency range being studied, such as railway bridges. The developed method is based around simple instrumentation and can be performed in parallel with other on-track tests, reducing overall test costs to a minimum. Finally, at CETEST we have developed a new method for obtaining the modal parameters of railway vehicles through on-track measurements (on-track modal analysis for railway vehicles). It identifies both the rigid solid modes associated with the suspension as well as the structural modes. The technique developed takes wheel-track interactions into account, a key component in railway dynamics that cannot be considered using other methods. Furthermore, the developed method is based around simple instrumentation and can be performed in parallel with other on-track tests, reducing overall test costs to a minimum. NOISE AND VIBRATIONS Noise Vibrations Modal analysis ARE YOU INTERESTED? Fields marked with * are required I agree to the Terms and Conditions © CETEST 2017 Disclaimer · Cookie Policy In order to give you a better service we use cookies on our websites. By continuing to browse the site you are agreeing to our use of cookies. To learn more about how we use the cookies, please see our cookies policy.OKREAD MORE

+34 943 028690cetest@cetestgroup.comCETEST USA EN Location & Contact Home Location & Contact Please, contact us for more information and for all other inquiries. Our engineers will get in contact with you shortly! Fields marked with * are required I agree to the Terms and Conditions CONTACT Location & Contact Employment offers © CETEST 2017 Disclaimer · Cookie Policy In order to give you a better service we use cookies on our websites. By continuing to browse the site you are agreeing to our use of cookies. To learn more about how we use the cookies, please see our cookies policy.OKREAD MORE