Component

${\mathbf{PPG}}_{\mathbf{1}}$

${\mathbf{PPG}}_{\mathbf{2}}$

${\mathbf{BG}}_{\mathbf{1}}$

${\mathbf{BG}}_{\mathbf{2}}$

$r$

$r_{O\/I} \= 1$

$r_{O\/I} \= 1$

$r_{b\/a} \= 1$

$r_{b\/a} \= -r$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{false}$

$$\begin{gathered} {\mathrm{\η}}_{R\/\mathrm{DS}}\left({\mathrm{\omega }}_{\mathrm{DS}}^{}\right)\, {\mathrm{\eta }}_{P\/\mathrm{SG}}^{}\left({\mathrm{\omega }}_{\mathrm{SG}}\right)\, \\ d_{P\mathit{\/}C}^{} \end{gathered}$$

$\mathrm{ideal}\=\mathbf{false}$

$\mathrm{\eta }\left({{\mathrm{\omega }}^{}}_{I\/C}^{}\right) \= {\mathrm{\eta }}_{P\/\mathrm{SG}}^{}\left({\mathrm{\omega }}_{\mathrm{SG}}\right)$

$d \=d_{P\/\mathrm{C}}^{}$

$\mathrm{ideal}\=\mathbf{false}$

$\mathrm{\eta }\left({{\mathrm{\omega }}^{}}_{I\/C}^{}\right) \= {\mathrm{\eta }}_{P\/\mathrm{SG}}^{}\left({\mathrm{\omega }}_{\mathrm{SG}}\right)$

  $d \=d_{P\/\mathrm{C}}^{}$

$\mathrm{ideal}\=\mathbf{true}$

$\mathrm{ideal}\=\mathbf{false}$

$\mathrm{\eta }\left({{\mathrm{\omega }}^{}}_a^{}\right) \= {\mathrm{\eta }}_{r\/\mathrm{DS}}\left({\mathrm{\omega }}_{\mathrm{DS}}^{}\right)$

$d \= 0$

Name

Condition

Description

ID

$\mathrm{Driveshaft} \mathrm{flange} \left(\mathrm{DS}\right)$

$-$

Flange to drive shaft

drive

$\mathrm{Left} \mathrm{flange}$

$-$

Flange to left shaft

left

$\mathrm{Right} \mathrm{flange}$

-

Flange to right shaft

right

$\mathrm{Loss} \mathrm{Power}$

$\mathrm{ideal}\mathbf{\=}\mathbf{false}$

Conditional real output port for power loss

lossPower

Symbol

Condition

Default

Units

Description

ID

$\mathrm{ideal}$

-

$\mathrm{true}$

-

Defines whether the component is:

true - ideal or

false - non-ideal

ideal

$r$

-

$1$

-

Driveshaft pinion/Crown ring gear ratio (DS/R)

ratio

data source

$\mathrm{ideal}\=\mathbf{false}$

GUI

-

Defines the source for the loss data:

datasourcemode

$n_{\mathrm{pl}}$

$\mathrm{ideal}\=\mathbf{false}$

$2$

$-$

Number of planet gears

numberofPlanets

${\mathrm{\eta }}_{R\/\mathrm{DS}}\left({\mathrm{\omega }}_{\mathrm{DS}}^{}\right)$

ideal = false

data source = GUI

  $\left[0\,1\,1\right]$ 

$\left[\frac{\mathrm{rad}}{s}\,-\, -\right]$

Defines Ring (crown)/Drive shaft pinion velocity dependent meshing efficiency as a function of ${\mathrm{\omega }}_{\mathrm{DS}}^{}$ .

The columns are:

[${\mathrm{\omega }}_{\mathrm{DS}}^{}$     (${\mathrm{\eta }}_1$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ )     ${\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ )]

First column is angular velocity of the input driveshaft (${\mathrm{\omega }}_{\mathrm{DS}}^{}$)

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

${\mathrm{\eta }}_1$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ ) =${\mathrm{\η}}_2$$\left({\mathrm{\omega }}_{\mathrm{DS}}^{}\right)$ =${\mathrm{\η}}_{}$

First entered value is taken as the constant efficiency for forward case and the second for backward cases

${\mathrm{\η}}_1$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ ) =${\mathrm{\η}}_1 \, {\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ ) =${\mathrm{\eta }}_2$

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively.

Second column is forward and backward efficiency

${\mathrm{\eta }}_{ }$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ ) =${\mathrm{\eta }}_1$ (${\mathrm{\omega }}_{\mathrm{DS}}^{}$ ) =${\mathrm{\eta }}_2$ (${\mathrm{\omega }}_{\mathrm{DS}}^{}$ )

Second column is forward efficiency

${\mathrm{\eta }}_1$ (${\mathrm{\omega }}_{\mathrm{DS}}$ )

Third column is backward efficiency

${\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{DS}}^{}$ )

meshinglossTable1

ideal = false

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is Drive Shaft angular velocity (${\mathrm{\omega }}_{\mathrm{DS}}$ )

(See $\mathrm{col}$$\left[{\mathrm{\eta }}_{R\/\mathrm{DS}}\right]$ below)

data1

ideal = false

data source = file

-

fileName1

$\mathrm{col}$$\left[{\mathrm{\eta }}_{R\/\mathrm{DS}}\right]$

ideal = false

data source = attachment or file

  $\left[2\,3\right]$

-

Defines the corresponding data columns used for forward efficiency (${\mathrm{\eta }}_1$) and backward efficiency (${\mathrm{\eta }}_2$)

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency (${\mathrm{\eta }}_1\={\mathrm{\eta }}_2 \= \mathrm{\η}\)$ 

Data column corresponding to the first column number is used for forward efficiency (${\mathrm{\eta }}_1$) and

data column corresponding to the second column number is used for backward efficiency (${\mathrm{\eta }}_2$)

columns1

${\mathrm{\eta }}_{P\/\mathrm{SG}}\left({\mathrm{\omega }}_{\mathrm{SG}}^{}\right)$

ideal = false

data source = GUI

  $\left[0\,1\,1\right]$ 

$\left[\frac{\mathrm{rad}}{s}\,-\, -\right]$

Defines Side Gears/Planets velocity dependent meshing efficiency as a function of ${\mathrm{\omega }}_{\mathrm{SG}}^{}$ .

The columns are:

[${\mathrm{\omega }}_{\mathrm{SG}}^{}$     (${\mathrm{\eta }}_1$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$ )     ${\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$ )]

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

${\mathrm{\eta }}_1$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$) =${\mathrm{\η}}_2$$\left({\mathrm{\omega }}_{\mathrm{SG}}^{}\right)$ =${\mathrm{\η}}_{}$

First entered value is taken as the constant efficiency for forward case and the second for backward cases

${\mathrm{\η}}_1$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$) =${\mathrm{\η}}_1 \, {\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$ ) =${\mathrm{\eta }}_2$

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively

Second column is forward and backward efficiency

${\mathrm{\eta }}_{ }$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$ ) =${\mathrm{\eta }}_1$ (${\mathrm{\omega }}_{\mathrm{SG}}^{}$ ) =${\mathrm{\eta }}_2$ (${\mathrm{\omega }}_{\mathrm{SG}}^{}$ )

Second column is forward efficiency

${\mathrm{\eta }}_1$ (${\mathrm{\omega }}_{\mathrm{SG}}^{}$ )

Third column is backward efficiency

${\mathrm{\eta }}_2$(${\mathrm{\omega }}_{\mathrm{SG}}^{}$ )

meshinglossTable2

ideal = false

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is Side Gear (left or right) angular velocity (${\mathrm{\omega }}_{\mathrm{SG}}$ )

(See $\mathrm{col}$$\left[{\mathrm{\eta }}_{P\/\mathrm{SG}}\right]$ below)

data2

ideal = false

data source = file

-

fileName2

$\mathrm{col}$$\left[{\mathrm{\eta }}_{P\/\mathrm{SG}}\right]$

ideal = false

data source = attachment or file

  $\left[2\,3\right]$

-

Defines the corresponding data columns used for forward efficiency (${\mathrm{\eta }}_1$) and backward efficiency (${\mathrm{\eta }}_2$).

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency (${\mathrm{\eta }}_1\={\mathrm{\eta }}_2 \= \mathrm{\η}\)$ 

Data column corresponding to the first column number is used for forward friction torque (${\mathrm{\eta }}_1$) and data column corresponding to the second column number is used for backward friction torque (${\mathrm{\eta }}_2$)

columns4

$d_{P\mathit{\/}C}$

ideal = false

0

$\left[\frac{\mathrm{N} · m}{\frac{\mathrm{rad}}{s}}\right]$

Linear damping in Planet/Carrier bearings

d

smoothness

$\mathrm{ideal}\=\mathbf{false}$

Table points are linearly interpolated

-

Defines the smoothness of table interpolation

There are two options:

smoothness