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Molecular Force Work Thermal Unit Tool

Signed collinear mechanical work divided by a supplied thermal energy kB*T.

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Description

Return signed force-displacement work and thermal-unit ratio.

Diffusive and thermal scales depend on dimensionality, geometry, drag and compatible energy/time units. A local displacement correction or ideal spherical diffusivity is distinct from fitting a stochastic trajectory or establishing that a measured system satisfies the model.

Return signed force-displacement work and thermal-unit ratio.

When to use this tool

Use Molecular Force Work Thermal Unit when checking the stated diffusion, drift, work or thermal-energy convention.

How to use the tool and how it works

  1. Enter force, displacement, thermalEnergy. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read work, thermalUnits. Use the output convention below.

Return signed force-displacement work and thermal-unit ratio. Require thermalEnergy > 0; work = force*displacement, thermalUnits = work/thermalEnergy.1

Input fieldMeaning and unitsAccepted input
forceForceRequired. Finite number.
displacementDisplacementRequired. Finite number.
thermalEnergyThermal EnergyRequired. Finite number; strictly above 0.
Output fieldInterpretationReturned shape
workWorkRequired. Finite number.
thermalUnitsThermal UnitsRequired. Finite number.
json
{
  "input": {
    "force": 4,
    "displacement": 3,
    "thermalEnergy": 2
  },
  "output": {
    "work": 12,
    "thermalUnits": 6
  }
}

Limitations and assumptions

  • This uses a constant collinear force model and compatible energy units; no path integration or molecular mechanism is inferred.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Use calibrated trajectories and an appropriate geometry/noise/transport model for fitted diffusion parameters, uncertainty or molecular mechanisms.

References

  1. Calculation and input contract: biophysics/molecular-force-work-thermal-unit — tool.io

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