Centroid, Area, Moments of Inertia, Polar Moments of Inertia, & Radius of Gyration of a General I-Beam

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Tapered I-Beam


C_x	C_y	Area


Moment of Inertia about the x_c axis I_xc	Moment of Inertia about the y_c axis I_yc	Polar Moment of Inertia about the z_c axis J_zc
		= I_xc + I_yc

Radius of Gyration about the x_c axis k_xc	Radius of Gyration about the y_c axis k_yc	Radius of Gyration about the z_c axis r_zc
		r_zc² = k_xc²+k_yc²

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Information, coverage of important developments and expert commentary in manufacturing.

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Wages, employment opportunities, and growth projections for STEM jobs.