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Questions related to Force
How to calculate the hydrodynamic forces with CFX ANSYS? I need some tutorials or examples for hydrodynamic forces for offshore structures.
28 July 2020 9,579 2 View
I am performing a 2-d simulation in COMSOL in which a microfluidc device separates different cell particles using dielectrophoresis. I want to compute drag and dielectrophoretic forces acting on...
28 July 2020 451 7 View
Hi all, I am performing steered molecular dynamics simulation of two polymer chains parallel to each other. Then, one chain has pulled using constant velocity and the trajectory I got is...
24 July 2020 7,917 2 View
Tribology test conditions: Substrate thermoplastic, Counterpart steel ball. Using 1N normal force and 0.5N normal force, Speed 100 mm/s
22 July 2020 5,901 4 View
In most mathematical problems considering voids, why does the equation of balance of Equilibrated force not include any thermal relaxation parameter considering Green-Lindsay theory or any higher...
21 July 2020 5,598 6 View
I have estimated the time-dependent impact forces of two colliding bodies (objects) with given curvatures. How can I estimate the lifetime of these bodies to prevent the failure?
19 July 2020 8,633 0 View
I'm conducting an online mental health survey. I only want adults aged 18 years and over to complete it. Is it appropriate to block under 18s by having a "forced response to age and a minimum of...
17 July 2020 3,498 1 View
I'm new to COMSOL and working on doing some materials modeling/optimization for a submerged structure. I want to make a model that applies a force over the structure in an arbitrary direction and...
13 July 2020 3,073 0 View
I am considering a Kistler 9317C piezoelectric sensor, but I suppose the 5 kHz natural frequency (which limits the usable frequency) will prevent me from measuring this force which should go to...
29 June 2020 9,380 1 View
I am having trouble deriving what this project needs. Problem for PBL 1. Based on “door opening control system” as shown by Figure 1, do the following: a. Derive it mathematical model and...
27 June 2020 1,235 4 View
I want to calculate interlayer shear strength of MoSSe bilayer during the sliding of the top monolayer over a fixed bottom layer. In literature, it is defined as, τ=|f/A| where, f is interlayer...
25 June 2020 5,885 2 View
The leg mechanism of the robot is subjected to time-varying forces from the ground when it moves.How to realize dynamic balance of planar closed-chain leg mechanism?
19 June 2020 7,018 0 View
I am actually working on engines exhaust gases and for the purposes of the experiment, the exhaust gas flow (initially turbulent) should be laminar. So i was wondering how to kill "the...
18 June 2020 8,692 19 View
When creating a sub-model (fine model) of a structure (Coarse model) in ANSYS workbench, it allows importing cut boundary remote forces. However, by default the option works when the cut boundary...
13 June 2020 3,953 6 View
Many children attend school in the USA without a full night's sleep, no breakfast and other conditions in the home that inhibit or prohibit the child being ready to learn the next day. What...
08 June 2020 4,978 0 View
I have data from AFM on the indentation of polymer samples. I want to get a modulus of elasticity from force curves. The fact is that the relationship between distance and force is linear. The...
07 June 2020 7,513 3 View
Hi, I am able to calculate the phonon band structure, using VASP and harmonic force constants generated by Phonopy. But I would like to calculate this at a given temperature, for example 300K,...
01 June 2020 8,478 2 View
I have tried installing molden using different instructions as detailed in the links...
27 May 2020 4,329 3 View
Hello, I am trying to design a syringe pump for microfluidic extrusion uses. I have a 5cc syringe tube that I will use as the cartridge. We would be using it to extrude a variety of materials so...
25 May 2020 2,802 0 View
Dear All I need help to find a calculation recipe. My goal is to perform band structure calculation using metaGGA + SOC in espresso. Unfortunately this is not yet implemented, so I am looking for...
25 May 2020 2,682 0 View
Images would be especially helpful; propaganda a plus. Sources must be dated before 1850. It would help if text is already translated to English. Any suggestions for databases or websites are...
18 May 2020 7,609 0 View
I am trying to understand if there is a relationship between the angle of internal friction of soils and the angle at which the stress is distributed within the soil if a vertical force (via a...
16 May 2020 7,649 1 View
The way teaching-learning takes place now is most likely to change in the post-COVID era. It will definitely force educators and researchers to come up with novel ideas and strategies.
12 May 2020 6,532 8 View
Hello everybody. I would be extremely grateful if you help me to find the stata command used to check for heteroscedasticity after Xtabond2 (GMM SYS PANEL), as a pretest command. I want to know If...
12 May 2020 3,696 2 View