Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress Formula

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Major Principal Stress can be defined as the maximum normal stress acting on the principal plane. Check FAQs
σmajor=σx+σy2+(σx-σy2)2+𝜏2
σmajor - Major Principal Stress?σx - Stress acting along x-direction?σy - Stress acting along y-direction?𝜏 - Shear Stress?

Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress Example

With values
With units
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Here is how the Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress equation looks like with Values.

Here is how the Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress equation looks like with Units.

Here is how the Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress equation looks like.

3.0547Edit=0.5Edit+0.8Edit2+(0.5Edit-0.8Edit2)2+2.4Edit2
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Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress Solution

Follow our step by step solution on how to calculate Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress?

FIRST Step Consider the formula
σmajor=σx+σy2+(σx-σy2)2+𝜏2
Next Step Substitute values of Variables
σmajor=0.5MPa+0.8MPa2+(0.5MPa-0.8MPa2)2+2.4MPa2
Next Step Convert Units
σmajor=500000Pa+800000Pa2+(500000Pa-800000Pa2)2+2.4E+6Pa2
Next Step Prepare to Evaluate
σmajor=500000+8000002+(500000-8000002)2+2.4E+62
Next Step Evaluate
σmajor=3054682.93128221Pa
Next Step Convert to Output's Unit
σmajor=3.05468293128221MPa
LAST Step Rounding Answer
σmajor=3.0547MPa

Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress Formula Elements

Variables
Functions
Major Principal Stress
Major Principal Stress can be defined as the maximum normal stress acting on the principal plane.
Symbol: σmajor
Measurement: StressUnit: MPa
Note: Value can be positive or negative.
Stress acting along x-direction
The stress acting along x-direction.
Symbol: σx
Measurement: StressUnit: MPa
Note: Value should be greater than 0.
Stress acting along y-direction
The Stress acting along y-direction is denoted by the symbol σy.
Symbol: σy
Measurement: StressUnit: MPa
Note: Value should be greater than 0.
Shear Stress
Shear Stress is force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress.
Symbol: 𝜏
Measurement: StressUnit: MPa
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Stress Relations category

​Go Angle of Obliquity
ϕ=atan(𝜏σn)
​Go Resultant Stress on Oblique Section given Stress in Perpendicular Directions
σR=σn2+𝜏2
​Go Stress along Maximum Axial Force
σ=PaxialA
​Go Maximum Axial Force
Paxial=σA

How to Evaluate Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress?

Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress evaluator uses Major Principal Stress = (Stress acting along x-direction+Stress acting along y-direction)/2+sqrt(((Stress acting along x-direction-Stress acting along y-direction)/2)^2+Shear Stress^2) to evaluate the Major Principal Stress, The Major principal stress if Member is subjected to two perpendicular direct stress and shear stress is the maximum value of principal stress. Major Principal Stress is denoted by σmajor symbol.

How to evaluate Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress using this online evaluator? To use this online evaluator for Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress, enter Stress acting along x-direction x), Stress acting along y-direction y) & Shear Stress (𝜏) and hit the calculate button.

FAQs on Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress

What is the formula to find Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress?
The formula of Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress is expressed as Major Principal Stress = (Stress acting along x-direction+Stress acting along y-direction)/2+sqrt(((Stress acting along x-direction-Stress acting along y-direction)/2)^2+Shear Stress^2). Here is an example- 3.1E-6 = (500000+800000)/2+sqrt(((500000-800000)/2)^2+2400000^2).
How to calculate Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress?
With Stress acting along x-direction x), Stress acting along y-direction y) & Shear Stress (𝜏) we can find Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress using the formula - Major Principal Stress = (Stress acting along x-direction+Stress acting along y-direction)/2+sqrt(((Stress acting along x-direction-Stress acting along y-direction)/2)^2+Shear Stress^2). This formula also uses Square Root Function function(s).
Can the Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress be negative?
Yes, the Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress, measured in Stress can be negative.
Which unit is used to measure Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress?
Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress is usually measured using the Megapascal[MPa] for Stress. Pascal[MPa], Newton per Square Meter[MPa], Newton per Square Millimeter[MPa] are the few other units in which Major Principal Stress if Member is Subjected to Two Perpendicular Direct Stress and Shear Stress can be measured.
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