Example engineering calculations
Worked, unit-aware calculation worksheets across structural, mechanical, electrical and more. Open any example into your own workspace to edit and reuse.
18 examples found
DNV-RP-F112 HISC Calculation
Calculate stresses in a pipe in accordance with DNV-RP-F112
Second Moment of Area
Axial Stress and Elongation of a Rod
Normal stress, strain and total elongation of a straight bar under an axial tensile load.
Principal Stresses (Mohr's Circle)
Principal stresses and maximum in-plane shear stress from a plane stress state using Mohr’s circle.
Axial Strain Energy
Elastic strain energy stored in an axially loaded member.
Shear Modulus from Elastic Constants
Shear modulus of an isotropic material from its Young’s modulus and Poisson’s ratio.
Lateral Strain (Poisson Effect)
Lateral contraction strain accompanying an axial strain via Poisson’s ratio.
Engineering Strain
Engineering (nominal) strain from the change in length and original length.
Engineering Stress
Engineering (nominal) stress from the load and original cross-section area.
Modulus of Resilience
Elastic energy a material absorbs per unit volume up to yield.
Free Thermal Strain
Thermal strain produced by a temperature change in an unrestrained member.
Stress Concentration at a Notch
Peak local stress at a geometric discontinuity from the stress concentration factor.
Cyclic Stress Range
Stress range of a fatigue cycle from its maximum and minimum stresses.
Mean Stress of a Fatigue Cycle
Mean stress of a fatigue cycle from its maximum and minimum stresses.
Factor of Safety on Ultimate Strength
Factor of safety comparing ultimate tensile strength to working stress.
Young’s Modulus from a Tensile Test
Young’s modulus from the stress and strain in the elastic region of a test.
Poisson’s Ratio from Strains
Poisson’s ratio from measured lateral and axial strains.
Area Thermal Expansion
Increase in area of a plate from a temperature rise.