And before he escaped from prison, Michael prepared the car, rented the warehouse, and exchanged green cards with the beauty to get married, etc. The complete set is basically enough for a structural engineer to work for 8 years. And Michael didn't graduate long when he was doing these things.
Moreover, some conditions for a successful escape are difficult to meet in Chinese prisons. First of all, there needs to be a gang boss living in the prison, and can remotely control the actions of outside organizations. We all know that in China, the boss is either out or shot, and there is no such thing as going to prison.
Also, there is a legendary thief Cooper in Michael's prison. How can such a rich person (no one cares how your money comes from in China) can go to jail?
Next, I want to focus on Michael's use of Hooke's law to drill holes and smash concrete walls. Let me talk about Hooke's law first.
Hooke's law is one of the basic laws of mechanics. The law of elasticity applicable to all solid materials is expressed as: within the elastic limit, the deformation of an object is proportional to the external force that causes the deformation.
One of the basic laws of material mechanics and elastic mechanics. It was named after it was proposed by R. Hook in 1678. The content of Hooke's law is: within the linear elastic range of the material, the unidirectional tensile deformation of a solid is proportional to the external force it receives; it can also be expressed as: the stress σ in the solid when the stress is lower than the proportional limit It is proportional to the strain ε, that is, σ=Εε, where E is a constant, called the modulus of elasticity or Young's modulus. The generalized Hooke's law can be obtained by extending Hooke's law to the three-dimensional stress and strain state. Hooke's law laid the foundation for the development of elasticity. The generalized Hooke's law for isotropic materials has two commonly used mathematical forms:
σ11 = λ (ε11 + ε22 + ε33) + 2Gε11, σ23 = 2Gε23,
σ22 = λ (ε11 + ε22 + ε33) + 2Gε22, σ31 = 2Gε31, (1)
σ33 = λ (ε11 + ε22 + ε33) + 2Gε33, σ12 = 2Gε12, and
wherein the stress component σij; εij of strain components (i, j = 1,2,3); λ and G Lame constant, G the shear modulus, also known as Quantity; E is the modulus of elasticity (or Young's modulus); v is the Poisson's ratio. The following relations exist among λ, G, E and v: Equation (1) is suitable for the problem of seeking stress with known strain, and formula (2) is suitable for the problem of seeking strain with known strain.
According to the assumption of no initial stress, (f 1) 0 should be zero. For a homogeneous material, the material properties are independent of the coordinates, so the first-order partial derivative of the function f 1 with respect to the strain is constant. Thus stress and strain generally relational expression can be simplified to
the above-described relationship is Hooke (Hooke's) Promotion Law under conditions of complex stress, so-called generalized Hooke's law.
The coefficients Cmn (m, n=1, 2,..., 6) in the generalized Hooke's law are called elastic constants, and there are 36 in total.
If the object is made of non-uniform materials, each point in the object will have different elastic effects after being stressed. Therefore, generally speaking, Cmn is a function of coordinates x, y, z.
But if the object is made of uniform material, all points inside the object will have the same strain if they are subjected to the same stress; conversely, if all points in the object have the same strain, they must bear the same stress.
This condition is reflected in the generalized Hooke's theorem, that is, Cmn is the elastic constant.
Hooke’s law of elasticity states: within the elastic limit, the elastic force f of the spring is proportional to the length x of the spring, that is, f = -kx. k is the elastic coefficient of the material, which is determined by the nature of the material. The negative sign indicates that the elastic force generated by the spring is opposite to the direction of its extension (or compression).
Well, maybe you have a hard time watching it, it doesn’t matter, because I’m also hard looking at it, but isn’t the film review just to make you look at an article that’s hard work?
Michael's strength lies in the fact that he can drill holes in concrete walls with the manual gadget. I don’t know the proportion of coarse aggregate in American concrete. If there is a stone in the middle of the wall when the hole is drilled at his fixed point (this possibility is extremely high, dozens of times greater than the chance of not encountering a stone) , Then if he wants to drill through, his speed can only be described as "water droplets through stone". Fortunately, Michael is very handsome, so he was lucky. He drilled so porous and didn't encounter a stone. He is indeed a top student!
Also, Michael has to cut the wall every night in his bedroom. I want to know how he prevents the sound from going out. Don't tell me that the curtain on his door is soundproof.
Finally, I think the best thing about Michael's luck is that the kid in the dormitory with him is a kind of love! Because the subject is about to run away, he decides to escape from prison, it works!
Marry a man like Sucre!
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