A client had designed and built four shell and tube heat exchangers for use in shipboard equipment modules. These heat exchangers were to be supported on rigid platforms that are attached to the process deck of the ship and therefore subjected to ship motion acceleration loads while under transport and operating conditions. Because the supported exchangers are shipboard equipment, the American Bureau of Ships (ABS) requires that they be analyzed for stresses caused by the ship motion loads. We performed a stress analysis of the supported exchangers to determine if they met ASME, AISC and other code design criteria.
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