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Weight Index given Minimum Design Index Formula

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Weight Index is the summation of all the contributors in weight configuration parameters. The weight configuration parameters are valued on the scale of 0-10 (best=10 and worst=0). Check FAQs

WI = \frac{(DI min \cdot 100) - (CI \cdot P c) - (TI \cdot P t)}{P w}

WI - Weight Index?DI_min - Minimum Design Index?CI - Cost Index?P_c - Cost Priority (%)?TI - Period Index?P_t - Period Priority (%)?P_w - Weight Priority (%)?

Weight Index given Minimum Design Index Example

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Here is how the Weight Index given Minimum Design Index equation looks like with Values.

Here is how the Weight Index given Minimum Design Index equation looks like with Units.

Here is how the Weight Index given Minimum Design Index equation looks like.

50.9801 = \frac{(160 \cdot 100) - (1327.913 \cdot 10.11) - (95 \cdot 19)}{15.1}

50.9801 = \frac{(160 \cdot 100) - (1327.913 \cdot 10.11) - (95 \cdot 19)}{15.1}

50.9801 = \frac{(160 \cdot 100) - (1327.913 \cdot 10.11) - (95 \cdot 19)}{15.1}

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Weight Index given Minimum Design Index Solution

Follow our step by step solution on how to calculate Weight Index given Minimum Design Index?

FIRST Step Consider the formula

WI = \frac{(DI min \cdot 100) - (CI \cdot P c) - (TI \cdot P t)}{P w}

Next Step Substitute values of Variables

∴

WI = \frac{(160 \cdot 100) - (1327.913 \cdot 10.11) - (95 \cdot 19)}{15.1}

Next Step Prepare to Evaluate

∴

WI = \frac{(160 \cdot 100) - (1327.913 \cdot 10.11) - (95 \cdot 19)}{15.1}

Next Step Evaluate

∴

WI = 50.98010397351

LAST Step Rounding Answer

∴

WI = 50.9801

Weight Index given Minimum Design Index Formula Elements

Variables

Weight Index

Weight Index is the summation of all the contributors in weight configuration parameters. The weight configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).

Symbol: WI

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Weight Index

Minimum Design Index

Minimum Design Index is a comparable quantity in conceptual design phase which considers Cost, Weight and Time period indices.

Symbol: DI_min

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Minimum Design Index

Cost Index

Cost Index is the summation of all the contributors in cost configuration parameters. The cost configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).

Symbol: CI

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Cost Index

Cost Priority (%)

Cost Priority (%) is a factor which shows the priority of cost objective on a percentage scale. It is oriented according to the user's definition of priorities.

Symbol: P_c

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Cost Priority (%)

Period Index

Period Index is the summation of all the contributors in period configuration parameters. The Period configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).

Symbol: TI

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Period Index

Period Priority (%)

Period Priority (%) is a factor which shows the priority of time factor on a percentage scale. It is oriented according to the user's definition of priorities.

Symbol: P_t

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Period Priority (%)

Weight Priority (%)

Weight Priority (%) is a factor which shows the priority of Weight factor on a percentage scale. It is oriented according to the user's definition of priorities.

Symbol: P_w

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Weight Priority (%)

Other formulas in Design Process category

Go Minimum Design Index

DI min = \frac{(CI \cdot P c) + (WI \cdot P w) + (TI \cdot P t)}{100}

Go Cost Index given Minimum Design Index

CI = \frac{(DI min \cdot 100) - (WI \cdot P w) - (TI \cdot P t)}{P c}

How to Evaluate Weight Index given Minimum Design Index?

Weight Index given Minimum Design Index evaluator uses Weight Index = ((Minimum Design Index*100)-(Cost Index*Cost Priority (%))-(Period Index*Period Priority (%)))/Weight Priority (%) to evaluate the Weight Index, The Weight Index given Minimum Design Index formula elucidates the relationship between the weight index and the MDI in aircraft design and operation, it serves as a metric for evaluating the weight efficiency of aircraft configurations and operational strategies. Weight Index is denoted by WI symbol.

How to evaluate Weight Index given Minimum Design Index using this online evaluator? To use this online evaluator for Weight Index given Minimum Design Index, enter Minimum Design Index (DI_min), Cost Index (CI), Cost Priority (%) (P_c), Period Index (TI), Period Priority (%) (P_t) & Weight Priority (%) (P_w) and hit the calculate button.

FAQs on Weight Index given Minimum Design Index

What is the formula to find Weight Index given Minimum Design Index?

The formula of Weight Index given Minimum Design Index is expressed as Weight Index = ((Minimum Design Index*100)-(Cost Index*Cost Priority (%))-(Period Index*Period Priority (%)))/Weight Priority (%). Here is an example- 903.2417 = ((160*100)-(1327.913*10.11)-(95*19))/15.1.

How to calculate Weight Index given Minimum Design Index?

With Minimum Design Index (DI_min), Cost Index (CI), Cost Priority (%) (P_c), Period Index (TI), Period Priority (%) (P_t) & Weight Priority (%) (P_w) we can find Weight Index given Minimum Design Index using the formula - Weight Index = ((Minimum Design Index*100)-(Cost Index*Cost Priority (%))-(Period Index*Period Priority (%)))/Weight Priority (%).

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Weight Index given Minimum Design Index Formula

Weight Index given Minimum Design Index Example

Weight Index given Minimum Design Index Solution

Weight Index given Minimum Design Index Formula Elements

Other formulas in Design Process category

How to Evaluate Weight Index given Minimum Design Index?

FAQs on Weight Index given Minimum Design Index

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