Description
Return nominal and exposed cylindrical-strut surface area.
Biofabrication bookkeeping separates nominal geometry, deposition, material bases, layer heights and verification assertions. A local surface, fill fraction or dimensional residual describes supplied values rather than demonstrating an actual construct’s shape, material quality or biological suitability.
Return nominal and exposed cylindrical-strut surface area.
When to use this tool
Use Scaffold Surface Area One Strut Term when checking the stated benign build geometry, measurement, material or record convention.
How to use the tool and how it works
- Enter radius, length, includedEnds, sharedSurface. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read grossSurface, exposedSurface. Use the output convention below.
Return nominal and exposed cylindrical-strut surface area. Require nonnegative radius, length and sharedSurface, includedEnds whole 0..2; gross = 2*pi*r*length+ends*pi*r², exposed subtracts sharedSurface.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| radius | Radius | Required. Finite number; minimum 0. |
| length | Length | Required. Finite number; minimum 0. |
| includedEnds | Included Ends | Required. Safe integer; minimum 0; maximum 2. |
| sharedSurface | Shared Surface | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| grossSurface | Gross Surface | Required. Finite number. |
| exposedSurface | Gross surface minus supplied sharedSurface; may be negative. | Required. Finite number. |
{
"input": {
"radius": 1,
"length": 5,
"includedEnds": 2,
"sharedSurface": 2
},
"output": {
"grossSurface": 37.69911184307752,
"exposedSurface": 35.69911184307752
}
}Limitations and assumptions
- Exposed surface can be negative because sharedSurface is not bounded by gross; actual geometry, connectivity and biological suitability are not verified.
- 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 verified manufacturing records, measured geometry and an appropriate complete process/material assessment for actual construct quality, performance or safe use.
References
Similar or alternative tools
- Scaffold Pore Strut Clearance Gap
Return nominal and swelling-adjusted strut clearance.
- Scaffold Pore Boundary Closure
Return pore-size positions inside a supplied boundary interval.