How can I find natural frequencies for the frame problem?

Siddesha Hanumanthappa @Siddesha-Hanumanthappa

09 March 2015 1 7K Report

I have written a MATLAB code for the 2 storey frame. I have verified the mass and K matrix, which are found correct. But I am unable to find the natural frequencies. Kindly help me

I. Yu. Popov

FreeFEM is good for searching of eigenvalues.

Badges
Science topic

More Siddesha Hanumanthappa's questions See All

What is the calculation to add 50ppm/100 ppm of nano metal oxides to diesel?

how to calculate the quantity of metal oxide nano particles to add to diesel of one liter

06 April 2018 4,901 2 View

How does the parameters m, s, a and UCS of Hoek and Brown failure criteria affect the behavior of weak rocks?

softening behavior of rock

29 November 2016 8,113 5 View

Which is the most suitable cell lines to study TGFb induced Epithelial to mesenchymal transition(EMT)?

I am planning to find the Hub protein using protien-protein interaction through in-sillico apporach. For that which is the most suitable cell lines(tumor).

24 August 2016 9,661 10 View

How can I calculate the flexibility matrix using a few modes?

Kindly see the attachment.

08 June 2015 9,641 3 View

How can I find location of damage in trusses?

I have to find the location of damage in a bridge truss. I have reduced the Young's modulus and Cross sectional area to create the damage.

08 March 2015 3,422 3 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

What are the perfect mathematical model for a solar-powered ship implementation?

A computational study of heat flux on cylindrical surfaces using CNT hybrid nanofluids

28 July 2024 4,985 1 View

Is the zero-zero component of the metric tensor equal to 1 for accelerating reference frames?

Consider the case of negligible gravity but there is an accelerating reference frame. Its origin traces out a trajectory, or world line, seen in some inertial reference frame. The Lorentz metric...

24 July 2024 1,608 15 View

Which book and outline do you recommend for computational physics course for BS level ?

students already took 1. numerical methods 2. programming language 3. Probability and statistics

09 July 2024 6,271 3 View

What is the recommended type of pseudopotentials for QE?

Hello dear colleagues and professors Please what is the recommended type of pseudopotentials for QE? ultrasoft or norm conserving?? And from where get all types of pseudos (us, nc, pbe,...

09 July 2024 9,541 5 View

Is light quantisation an illusion?

The photo-electric effect does not support quanta in light, since a light particle moving towards a surface cannot cause an electron to move away from the same surface at a right angle. Instead, a...

06 July 2024 2,288 35 View

Is unified field theory Schrödinger's wave equation or its square?

We assume that the Schrödinger wave equation, iℏ(dψ/dt)= Ĥψ. . . . . (1) is incomplete and cannot be considered a unified field theory. on the other hand, its square, d/dt)partial U= D Nabla^2...

06 July 2024 7,106 8 View

What are the marginal properties of a space ?

Let's assume medium-free radio transmission where we know the boundaries are the emitter and receiver. We have not yet, using math, formulated the marginal properties of emptiness that must be...

24 June 2024 7,038 4 View

Why after DFT energy calculation in dmol3 materials studio 2023, it does not give me the outmol file?

I used material studio app dmol3 module for geometry optimization for a nanotube, and then I calculated its energy, for some of gas phases and I actually had the outmol file which allows me to...

14 June 2024 5,636 0 View