Spring Mass Model: What, How & Is There an Equation?

In summary, the conversation is about the spring mass model and how it is used to determine the spring constant. The participants also discuss finding information about the model through textbooks and online sources. It is revealed that the topic is related to a course on nanoscale energy transport, specifically involving photon, phonon, and electron. It is also mentioned that a background in quantum physics is not necessary to understand the concepts. The conversation ends with a recommendation to consult a textbook and knowledge of physics of waves, such as dispersion relation and speed of wave.
  • #1
yellowgold
12
0
What is the spring mass model ? If we know atomic mass how we can determine spring constant? Is there any equation ?
 
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  • #2
I have no idea what you are talking about, are you talking about phonons in solids?
 
  • #3
Yes I mean phonon in Solid...
 
  • #4
you measure the speed of sound, that is one way to do it.

The best you can do is to google or go to the library and get yourself a textbook.

Wikipedia also have a formula, it depends on what kind of model you are using.

Why are you asking this question? Is it a course in solid state physics you have now or what?
 
  • #5
yes . there is a course about nanoscale energy transport. photon phonon electron. And I don't have any background about quantum. So I try to get info about some consepts.
 
  • #6
ok you don't need any quantum physics to get the spring-model of phonons in solids.

Best way to get the concepts is perhaps to pick up a textbook, try to ask the teacher if he knows any good one which you can borrow or recommend in the library.

I personally are trained with Kittel, which is a terrible textbook! I had a really great teacher altough.

But you know some physics of waves etc? Dispersion relation and speed of wave?
 

1. What is a Spring Mass Model?

A Spring Mass Model is a simplified representation of a real-life physical system that consists of a mass attached to a spring. It is used to study the behavior of the system under different conditions and to make predictions about its motion.

2. How does a Spring Mass Model work?

In a Spring Mass Model, the mass is attached to a spring, which provides a restoring force that acts on the mass. When the mass is displaced from its equilibrium position, the spring exerts a force that tries to bring the mass back to its original position. This results in the mass oscillating back and forth around its equilibrium position.

3. Is there an equation for a Spring Mass Model?

Yes, there is a mathematical equation that describes the motion of a Spring Mass Model. It is known as the Hooke's Law equation, which states that the force exerted by a spring is directly proportional to the displacement of the mass from its equilibrium position. This equation is F = -kx, where F is the force, k is the spring constant, and x is the displacement of the mass.

4. What are the factors that affect the motion of a Spring Mass Model?

The motion of a Spring Mass Model is affected by various factors such as the mass of the object, the spring constant, the initial displacement, and the damping force. The mass affects the period of oscillation, while the spring constant affects the amplitude of oscillation. The initial displacement determines the starting position of the mass, and the damping force affects the rate at which the oscillations decrease.

5. How is a Spring Mass Model used in scientific research?

Spring Mass Models are used in scientific research to study and understand the behavior of physical systems. They are used to make predictions about the motion of objects and to investigate the effects of different variables on the system's behavior. They are also used to develop mathematical models that can be applied to real-life situations, such as in the design of suspension systems in automobiles and buildings.

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