Asymptotic relations for equations Euler-Bernoulli

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In summary, the Euler-Bernoulli equation is a fundamental tool used in structural engineering and physics to model the behavior of beams and other slender structures. It makes assumptions such as a constant cross-section, small deflections, and linear stress-strain relationship. It is only applicable to beams with a constant cross-section and can be solved using mathematical techniques and considering boundary conditions. Its limitations include only being valid for slender beams with small deflections and not accounting for shear deformation or changing material properties.
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Homework Statement


I need help with asymptotic relations of the equation below
x=f(y) with f(y)=0
I not know how to address the problem

Homework Equations



σzz={β34h(x,y) if x<f(y)
0 if x>f(y)

The Attempt at a Solution



The solutions is
σzz=n(y)/√(∏(f(y)-x))+o(√(f(y)-x) if x→f(y)-
 
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  • #2

0 if x>f(y)-

Dear forum post author,

Thank you for reaching out for help with your problem. Asymptotic relations can be tricky, but I will do my best to explain them to you.

First, let's define some terms. Asymptotic relations describe the behavior of a function as one of its variables approaches a certain value or infinity. In this case, we are looking at the function x=f(y) and how it relates to the variable x as it approaches the value of f(y).

Based on the equations you provided, it looks like you are dealing with a piecewise function. This means that the function has different rules or equations for different intervals of the input variable. In this case, we have two intervals: x<f(y) and x>f(y).

For the interval x<f(y), the equation for σzz is β3∇4h(x,y). This means that as x approaches values less than f(y), the value of σzz will also approach this equation.

For the interval x>f(y), the equation for σzz is 0. This means that as x approaches values greater than f(y), the value of σzz will approach 0.

Now, for the solutions you provided, it looks like you are trying to find the behavior of σzz as x approaches f(y) from the left side (x→f(y)-). In this case, the first solution is n(y)/√(∏(f(y)-x))+o(√(f(y)-x)). This means that as x approaches f(y) from the left, the value of σzz will approach n(y)/√(∏(f(y)-x)), which is the equation for σzz in the interval x<f(y). The second solution, 0, is for when x actually equals f(y).

I hope this helps you understand asymptotic relations and how they apply to your problem. If you have any further questions or need clarification, please don't hesitate to ask. Good luck with your work!
 

Related to Asymptotic relations for equations Euler-Bernoulli

1. What is the significance of the Euler-Bernoulli equation in engineering and physics?

The Euler-Bernoulli equation is a fundamental tool used in structural engineering and physics to model the behavior of beams and other slender structures. It relates the bending moment, shear force, and applied load to the deflection of the structure, making it essential for analyzing and designing structures that are subjected to bending loads.

2. What are the assumptions made in the Euler-Bernoulli equation?

The Euler-Bernoulli equation assumes that the beam is straight, has a constant cross-section, and is subjected to small deflections. It also assumes that the material is isotropic (uniform in all directions) and has a linear stress-strain relationship.

3. Can the Euler-Bernoulli equation be used for all types of beams?

No, the Euler-Bernoulli equation is only applicable to beams with a constant cross-section, such as prismatic beams. It cannot accurately model the behavior of beams with varying cross-sections, such as tapered beams or beams with holes.

4. How can the Euler-Bernoulli equation be solved?

The Euler-Bernoulli equation is a second-order differential equation and can be solved using various mathematical techniques, such as integration, differentiation, and separation of variables. The boundary conditions of the specific problem must also be considered in the solution.

5. What are the limitations of the Euler-Bernoulli equation?

The Euler-Bernoulli equation is only valid for slender beams with small deflections. It does not account for shear deformation, which is significant for short and stubby beams. It also assumes that the material properties do not change with the applied load, which may not be accurate for some materials.

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