Difference between Stiffness (K) and Modulus of Elasticity (E)?
Dec 30, 2021 · Stiffness (F=Kx) is the extent to which an object resists deformation in response to an applied force. Elastic Modulus (E=Stress/Strain) is a quantity that measures an object or substance's …
Why is the beam bending stiffness taken as $EI/L$?
Jun 12, 2021 · In moment distribution method, the bending stiffness of a beam is taken as $EI/L$. But in these kinds of stiffness tables, the flexural rigidity is usually divided by some power of $L$:
What's the difference between ductility and stiffness?
Jan 9, 2024 · Materials are usually put into a basket of either being ductile or brittle. Brittle materials usually don't experience plastic deformation whilst ductile materials do. Some materials might then …
Can someone help explain the difference between strength and stiffness?
Jan 9, 2024 · As far as I can understand, strength is a materials resistance to permanent fracture while stiffness would be resistance to temporary fracture. If possible could I also get a brief explanation of …
How does width and thickness affect the stiffness of steel plate?
Would making it wider help to support the weight and increase its stiffness, or do I need to make it thicker? Also is there a way to calculate how the stiffness will change with the thickness (or width if …
How does stiffness/rigidity affect the bending moment of a beam
Dec 18, 2018 · As mentioned by other answers, when dealing with a statically determinate structure, the stiffness of each element is irrelevant when calculating the bending moment, but a key variable when …
mechanical engineering - How to calculate stiffness to weight ratio of ...
May 22, 2023 · How does one calculate the stiffness 1 of (a) one big diameter tube and (b) two small diameter tubes that are a certain distance apart? I have made a drawing that illustrates and specifies …
Strength vs. Hardness vs. Toughness - Engineering Stack Exchange
Feb 12, 2019 · for this question: "What is the difference between strength, hardness and toughness in materials?" i have searched and have found these following definitions Strength refers to resistance to
mechanical engineering - What is the difference between torsional ...
Aug 27, 2024 · Torsional stiffness is the rigidity of one unit length of the bar. It is derived by dividing the torsional rigidity by the length L. In the case of two shafts with the same torsional stiffness but one is …
Stiffness of a cantilever beam - Engineering Stack Exchange
Mar 15, 2019 · I am working on calculating the stiffness of a cantilever beam by applying a distributed load. I wanted to ask if the distribution of the load on the beam effects its stiffness.