Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

652
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
652
System of Forces and Couples01:16

System of Forces and Couples

463
In the analysis of structural systems, it is common to encounter members subjected to various forces and couple moments. Simplifying these systems can make the analysis more manageable and easier to understand. One approach to achieve this simplification is by moving a force to a point O that does not lie on its line of action and adding a couple with a moment equal to the moment of the force about point O.
The principle of transmissibility plays a crucial role in this process. According to...
463
Constraints and Statical Determinacy01:26

Constraints and Statical Determinacy

680
In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
680
Stability of structures01:14

Stability of structures

242
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
242
General Case of Eccentric Axial Loading01:12

General Case of Eccentric Axial Loading

245
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
245
Euler's Formula to Columns: Problem Solving01:23

Euler's Formula to Columns: Problem Solving

448
Euler's formula is used in structural engineering to determine the buckling load of columns under various conditions. However, when dealing with systems that incorporate both rigid elements and elastic components, such as springs, the analysis requires a finer approach to determine the critical load. The problem described involves two rigid bars connected at a pivot point with a spring attached and a vertical load applied at one end.
The system comprises two vertical rigid bars, AB and BC,...
448

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Tuning Connectivity in Hybrid Organic-Inorganic Antimony Halides through Reactant Concentration Effects.

Inorganic chemistry·2026
Same author

Umbrella Sampling for Excited States Using a Semiempirical Method.

JACS Au·2026
Same author

The entropic barrier around the conical intersection seam.

The Journal of chemical physics·2026
Same author

NATPS: Nonadiabatic Transition Path Sampling Using the Time-Reversible Mapping Approach to Surface Hopping.

The journal of physical chemistry letters·2026
Same author

A Benchmark and Basis-Set Extrapolation Study of Hyperfine Coupling Constants from the Random Phase Approximation and σ-Functionals.

The journal of physical chemistry. A·2026
Same author

A detailed comparison of ΔSCF methods with the constraint-based orbital-optimized excited state method.

Communications chemistry·2026

Related Experiment Video

Updated: Sep 4, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.8K

Statistically optimal analysis of the extended-system adaptive biasing force (eABF) method.

Andreas Hulm1, Johannes C B Dietschreit1, Christian Ochsenfeld1

  • 1Chair of Theoretical Chemistry, Department of Chemistry, University of Munich (LMU), Butenandtstr. 7, D-81377 München, Germany.

The Journal of Chemical Physics
|July 15, 2022
PubMed
Summary

This study introduces a new method using Multistate Bennett

More Related Videos

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
08:50

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

Published on: May 12, 2023

2.3K
Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

4.1K

Related Experiment Videos

Last Updated: Sep 4, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.8K
High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
08:50

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

Published on: May 12, 2023

2.3K
Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

4.1K

Area of Science:

  • Computational Chemistry
  • Statistical Mechanics

Background:

  • Extended-system adaptive biasing force (eABF) methods accelerate chemical system exploration.
  • Current eABF analysis often relies on thermodynamic integration, losing valuable data.
  • Recovering unbiased configurations is crucial for comprehensive analysis.

Purpose of the Study:

  • To develop a post-processing method for eABF data recovery.
  • To integrate Multistate Bennett's Acceptance Ratio (MBAR) with eABF.
  • To enable accurate calculation of ensemble properties and predictions.

Main Methods:

  • Utilizing Multistate Bennett's Acceptance Ratio (MBAR) for statistical weight computation.
  • Applying MBAR to analyze frames generated by eABF simulations.
  • Extending the formalism to Gaussian-accelerated molecular dynamics eABF hybrids.

Main Results:

  • Individual frame statistical weights can be computed from eABF data using MBAR.
  • This approach recovers information lost in traditional thermodynamic integration.
  • Accurate prediction of nuclear magnetic resonance shieldings was achieved.

Conclusions:

  • Combining eABF with MBAR provides a powerful tool for ensemble property calculations.
  • The method enhances the utility of eABF for molecular simulations.
  • The framework is readily extendable to advanced eABF variants without approximations.