MECHANICAL ENGINEERING SERVICES

JMH Engineering, LLC



James M. Harrell, Jr. PE
Located in Tucson, Arizona

E-mail: jmharrelljr@yahoo.com


SOLVING YOUR ENGINEERING NEEDS


Design performed with personal licenced SolidWorks. Modal, Stress, and Thermal Analysis performed with personal licenced CosmosWorks FEA.


Analyses include modal, random vibration, thermal CTE stress analysis, load factor static stress analysis, lifetime fatigue analyses, static equivalent calculations using Mile's equation, fatigue damage estimations using Steinberg's 3-Band Method and Minor's rule, and Margin of Safety tables created for all assembly parts. Analyses verified using classical hand calculations.


Experienced in performing random vibration testing and shock testing. Experienced in designing and analyzing fixtures for random vibration testing.


Experienced in Ansys Classic (APDL) and Ansys Workbench.


California Registered Professional Engineer with 31 years of experience in Mechanical Engineering within the aerospace, aeronautical, wind turbine and medical industries.


Specializing in rotating machinery design and analysis using DyRoBeS. Bode, Campbell and FFT analysis to characterize rotating system.