Can anyone help me with this question?

16 June 2023 1 2K Report

Determine the force in member AC of the truss. Draw primary and redundant structures and remove member AC. Use the flexibility method to analyze indeterminate truss structure. AE is constant.

Alberto Pingitore

N(AC)=0 it's not working.

Badges
Science topic

More Ahmed Mohamed's questions See All

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How to set the environment variable for incorporating the GD3 dispersion in G16 for performing calculations using the OPBE functional?

I have incorporated the dispersion effect for the OPBE functional by specifying the S6, SR6 and S8 parameters for GD3 in Gaussian G09 package. For this purpose, I have defined the environment...

05 August 2024 1,494 2 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,492 0 View

Is someone interested in testing some of our new Alluaudite compounds (Molybdate) in the fields of heterogeneous catalysis and photocatalysis?

We have an original Alluaudite-Molybdate we want to test for catalysis and photocatalysis applications.

04 August 2024 2,261 1 View

How prion can cause disease?

how is prion can cause disease

01 August 2024 250 1 View

Has anyone used Jump 2 before?

Jump 2 is the 1st app scientifically developed to measure your jump height.

31 July 2024 8,194 0 View

Help on understanding the implementation of Mori Tanaka method on MATLAB?

I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...

30 July 2024 969 0 View

Why applying a saved template of a bar chart in a different/new one doesn't take effect in SPSS?

Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...

29 July 2024 1,981 1 View

Is it redundant to use both Random Forest and Decision Tree algorithms in the same regression project?

I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...

23 July 2024 4,306 3 View

How to Handle Multiple RTF and PRM Files with the charmm2lammps.pl Script?

I have previously used the charmm2lammps tool to generate LAMMPS inputs multiple times, specifically for simple protein systems. For those systems, I was able to create LAMMPS input from a PSF+PDB...

14 April 2024 8,470 0 View

SAP2000/ETABS : Why is my truss taking excessive values of axial force?

I modelled a 3d truss with one storey concrete structure attached to it as shown on the model. I know that the one storey concrete structure changes the rigidity and the flow of the forces on the...

02 January 2024 6,810 1 View

Find the solution ?

The deformation state of the given truss due to the loadings 𝑃𝐻 and 𝑃𝑉 (acting at node 3) shall be investigated with the help of the finite element Compute the nodal displacements using the given...

17 December 2023 7,561 0 View

How can we calculate functional diversity indices for categorical variables?

For categorical variables, which functional diversity indices are assessed? Do we need to transform the categorical variable for the calculation? What about functional redundancy?

13 December 2023 3,002 3 View

Should the new column from the subproblem always go into the base of the master problem in the next iteration?

In some iterations, when a new column is added to the master, it does not enter the base and a stop condition occurs, or a new column with a better objective function is found. is it correct? When...

20 November 2023 8,677 0 View

How to position a truss between two reference points in Abaqus?

Hi everyone, I have a question about position of a part in Abaqus, in particulary i have to place my beam element between two reference point (RP1 and RP2) to simulate a ligament between two...

11 November 2023 7,181 7 View

How can I Optimize Beam-Shell Interaction in Abaqus for Truss Bridge Modeling?

Hi there, I need help improving the interaction between beams and shell components that represent the bolts in the structure that I have built using Abaqus for a truss bridge. In particular, I...

10 November 2023 7,453 1 View

How do you control the diversity of solutions during the evolution run?

In the context of structural engineering and applying evolutionary computation, I have found that in some truss problems the solutions tent to a local optima. how this problem is avoid?

05 November 2023 6,128 1 View

Metal Injection Moulding: Future or Redundant?

I have heard certain good things about Metal Injection Moulding, specially the fact that it can produce very accurate parts. Moreover, it also makes the manufacturing of complex- design parts look...

29 October 2023 956 0 View