How Can I Find These Five Unknowns in Beam Analysis?

  • Thread starter hmk999
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In summary, the conversation is about a person seeking help with solving unknowns in a beam analysis problem. They have six equations and six unknowns, with one equation already determining one unknown. They are unsure of how to use the simultaneous method and would like guidance on how to solve it by hand using the Gaussian algorithm.
  • #1
hmk999
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Can anyone please help me work out how to find these unknowns?

Basically I'm doing some beam analysis, I've done the engineering bit, now its the maths I've come stuck with.

I have created six equation and have six unknowns, equation 1 works out C1 to equal zero, so there are five more unknowns to find.

Not sure how to use simultaneous method or if I can just transpose. So the five remaining unknowns to find are C2,M,q1,q2,q3

Can anyone please show me how to do this it would be much appreciated.

Thanks
hmk999
 
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  • #2
All equations are linear in your unknown parameters, so there are many computer programs which can solve this. Alternatively, solve it by hand (very messy) with the Gaussian algorithm or something similar.
 
  • #3
I want to learn how to solve it by hand but not sure where to start? Is there any help or guidance you can give me. Even giving me the solution to one of the unknowns would help me to understand.
 
  • #4
hmk999 said:
Is there any help or guidance you can give me.
I did that in my previous post :(.

To be more explicit: you can use Gaussian elimination.
It might be useful to define new symbols to shorten the expressions, otherwise the result will get very ugly.
 
  • #5


There are a few different methods that can be used to find unknown values in a system of equations. One approach is to use simultaneous equations, where you solve for one variable in one equation and then substitute that value into another equation to solve for another variable. This process is repeated until all unknown values have been found.

Another approach is to use matrix algebra, where the system of equations can be represented as a matrix and solved using techniques such as Gaussian elimination or matrix inversion.

It is also possible to use computer software or calculators to solve systems of equations, which can be helpful for more complex systems.

Without more specific information about the equations and variables involved in your beam analysis, it is difficult to give specific instructions on how to solve for the unknown values. I recommend consulting a math or engineering textbook or seeking assistance from a tutor or colleague who is familiar with the specific methods and techniques needed for your analysis.
 

FAQ: How Can I Find These Five Unknowns in Beam Analysis?

How do I determine the unknown values in an experiment?

To find the unknown values in an experiment, you must first identify the known values and the equations or calculations needed to solve for the unknown values. Then, you can use data analysis techniques, such as linear regression or curve fitting, to find the values that best fit the data.

What are the different methods for finding unknown values in scientific research?

There are several methods for finding unknown values in scientific research, including the use of mathematical equations, statistical analysis, and experimental techniques. Each method may be more appropriate depending on the type of data and the specific research question being investigated.

How can I ensure accuracy when finding unknown values in my experiment?

Accuracy in finding unknown values can be ensured by carefully designing and conducting the experiment, using reliable equipment and methods, and carefully analyzing and interpreting the data. It is also important to consider potential sources of error and to repeat the experiment multiple times to ensure consistent results.

What should I do if I encounter unexpected results when finding unknown values?

If you encounter unexpected results when finding unknown values, it is important to carefully review your experimental design and data analysis methods. Double-check your calculations and consider potential sources of error. If the results still seem unlikely, you may need to repeat the experiment or seek the advice of a colleague or mentor.

Are there any software or tools available to help find unknown values in scientific research?

Yes, there are many software and tools available to assist in finding unknown values in scientific research. These may include statistical analysis software, graphing and data visualization tools, and simulation programs. It is important to choose a tool that is appropriate for your specific research question and data set.

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