Plumbing Anchor Force Calculator

Resolve actual independent end-pressure thrusts through caller local planar directed reactions; momentum/thermal/friction loads excluded, no geodesy, structural anchor or seismic safety approval.

Description

Pressure thrusts resolve along explicit local planar reaction directions.

Pressure thrusts resolve along explicit local planar reaction directions. Opposing thrusts can cancel in the resultant.^[1]

The returned values include Modeled pressure anchor reaction vector n, Modeled pressure anchor resultant n. The How section below explains the calculation, input rules and interpretation.

When to use Plumbing Anchor Force Calculator

Use Plumbing Anchor Force Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. Momentum, thermal and friction loads are excluded; no structural-anchor or seismic approval is supplied.

Prepare measured flows, pressures, temperatures or inventories with consistent units. For catalog tools, use independently verified capacities at the stated operating conditions and supply the explicit design demand.

How to use Plumbing Anchor Force Calculator and understand its results

Prepare measured flows, pressures, temperatures or inventories with consistent units. For catalog tools, use independently verified capacities at the stated operating conditions and supply the explicit design demand.
Enter observedPipeEndPressuresPa, observedEffectiveEndAreasM2, callerDirectedReactionUnitVectors using the field table and calculation rules, then run the tool.
Read modeledPressureAnchorReactionVectorN, modeledPressureAnchorResultantN. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
observedPipeEndPressuresPa	Observed pipe end pressures Pa	list of number	Required
observedEffectiveEndAreasM2	Observed effective end areas m2	list of number	Required
callerDirectedReactionUnitVectors	Caller directed reaction unit vectors	list of list of number	Required

Enter aligned nonempty nonnegative end pressures and effective areas with two-component finite direction vectors. Each vector norm must differ from one by at most 1e−8. Return signed x/y reaction and resultant newtons.

reaction=sum(pressure_i×area_i×unitDirection_i); magnitude=hypot(x,y)

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
modeledPressureAnchorReactionVectorN	Modeled pressure anchor reaction vector n	list of number
modeledPressureAnchorResultantN	Modeled pressure anchor resultant n	number

json

{
  "input": {
    "observedPipeEndPressuresPa": [
      1000,
      2000
    ],
    "observedEffectiveEndAreasM2": [
      0.01,
      0.02
    ],
    "callerDirectedReactionUnitVectors": [
      [
        1,
        0
      ],
      [
        0,
        1
      ]
    ]
  },
  "output": {
    "modeledPressureAnchorReactionVectorN": [
      10,
      40
    ],
    "modeledPressureAnchorResultantN": 41.23105625617661
  }
}

Limitations and assumptions

Momentum, thermal and friction loads are excluded; no structural-anchor or seismic approval is supplied.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Matrices are limited to 128 rows and 128 entries per row. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Plumbing Seismic Bracing Load Calculator: Seismic force follows assembly mass times independently established design acceleration. Brace shares allocate that force. For a complementary task, use Plumbing Hanger Load Calculator: Hanger gravity load combines filled-pipe mass over a tributary length with attached mass. Each hanger needs its own assigned inventory.

References

Plumbing Anchor Force Calculator — tool.io

Similar or alternative tools

Plumbing Seismic Bracing Load Calculator
Seismic force follows assembly mass times independently established design acceleration. Brace shares allocate that force.
Plumbing Hanger Load Calculator
Hanger gravity load combines filled-pipe mass over a tributary length with attached mass. Each hanger needs its own assigned inventory.