Can it be that energy balance in a static closed to optimal bridge truss different than cero?

Nayar Gutierrez @Nayar-Gutierrez

30 November 2018 1 8K Report

This question is refering to axial strain energy deformation balance in a bow Pratt truss (excel file for calculations)

Ola Adel Qasim

interested

Badges
Science topic

More Nayar Gutierrez's questions See All

Can someone help with the instrument configuration in Profex using Rietveld Refinement?

I am trying to configure the instrument in Profex but I can't get a chi-squared value below 9.65 for LaB6. This is the configuration of the equipment, which is a Bruker D8 Advance with a Linxeye...

14 July 2024 4,767 1 View

Hi once i have requested a full text whats next?

I requested the full text of the book “Landscapes Ways of Imagining the World” de John R. Stilgoe, I am new in this so i dont know what to do next or how will i obtain the permission

23 June 2024 1,855 1 View

PVP can be dissolve in 1- pentanol or 1- butanol? It's the same result?

at the preparation of the C18 alkyl silica, the paper used n-pentanol to dissolve PVP, in my lab I have 1- butanol. Could it be the same?

20 May 2024 5,933 1 View

What Are the Best Practices for Reporting Path Analysis?

Hello everyone, I am exploring path analysis to test mediation relationships within a dataset. What I have noticed upon reviewing the literature is that almost every article reports the results...

03 April 2024 5,957 3 View

Which are the main issues at solving an structural optimization problem? search space? type of optimization and number of variables? exploitation ?

In structural optimization it is commun to define the problem in terms of geometric optimization or a single philosophy of optimization as topology, but which approximation is best to use as the...

18 February 2024 8,606 0 View

Has anyone read anything about the saliva viral load "threshold" required for mosquito-borne transmission of arboviruses?

A certain host viremia threshold for mosquito infection with arboviruses has been recognized, however I have not been able to find any information on the "threshold" of viral load in saliva...

08 January 2024 4,169 1 View

¿Programas del gobierno de desarrollo economico agronegocios?

r los programas del gobierno acerca de los agronegociossabe

09 December 2023 6,402 1 View

Why I'm losing plasmid after digest with restriction enzymes?

Hi everyone, I'm currently working with a plasmid called pBI101, I isolated this plasmid from a plate then I did the extraction with mini prep protocol and cut it with SmaI at 25°C incubation...

17 November 2023 6,980 3 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

Hello, how do I calculate sample size in a study that will compare antibody titles and its specificity between 2 b cell types?

The experiment consist in testing 2 types of b cells with different stimuli and measure the antibody title concentration after 3 days of culture. I don´t know how to calculate how many people do I...

30 October 2023 2,213 1 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

Can anyone explain why there is not any color bands in the middle portion of the tensile coupon?

Details of the Analysis. Static Analysis Composite Layup Continuum Shell Elements FRP Material (Elastic and Hashin Damage)

03 August 2024 8,538 4 View

How can AI-driven personalized learning balance individual instruction with fostering social and collaborative skills?

This question tackles the complex issue of ensuring that while AI can tailor educational experiences to individual needs, it doesn't neglect the equally important aspect of fostering social...

02 August 2024 4,751 3 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Is there a database with onshore wind production for the wind farms in Portugal?

I am looking to predict some production for future onshore wind energy production in Portugal, is there any database with info of performances of the existing wind farms in the country? something...

28 July 2024 1,750 1 View

HAs anyone used TGA to find activation enegy of water evaporation?

I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....

28 July 2024 9,545 6 View

Why might I be observing hysteresis in my stress-strain curves when using the Mohr-Coulomb model, despite not applying dynamic loading?

While working on caisson foundation, I applied static vertical load

25 July 2024 9,357 1 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View