Материал: Механика

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Simply Supported

.

-, . -

-

, Apply Geometry.

-

. -

Simply Supported . 6.55.

СПБГУАП

Rotation X, Rotation Y, Rotation Z: Fixed – , Free –

. -

Fixed. -

, –

(Global Coordinate System) .

-

.

. 6.57.

. 6.55

Fixed Rotation

,

. Fixed Rotation

, .

-

, Apply

Geometry.

( . 6.56).

240

6.3.

. ,

.

(Static Structural) -

:

1. Step Controls ( ):

Number Of Steps – ;

Current Step Number – ;

Step End Time – ;

Auto Time Stepping – .

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2.Solver Controls ( ):

Solver Type – ;

Weak Springs – ;

Large Deflection – ;

Inertia Relief – .

3.Nonlinear Controls ( ):

Force Convergence – ;

Moment Convergence – ;

Displacement Convergence – -

;

Rotation Convergence – -

( );

Line Search –

.

4.Output Controls ( ):

Calculate Stress – ;

Calculate Strain – ;

Calculate Contact – ;

Calculate Results At – .

5.Analysis Data Management ( ):

Solver Files Directory – ;

Future Analysis – ;

Scratch Solver Files Directory – ;

Save ANSYS db – -

ANSYS;

Delete Unneeded Files – ;

Nonlinear Solution – ;

Solver Units – ;

Solver Unit System – , -

.

6.Visibility ( ).

242

СПБГУАП

6.3.1.

Step Controls ( . 6.58)

: -

.

-

,

. . 6.58

,

, -

, .

,

. -

.

.

, , -

,

.

Number Of Steps.

Tabular Data ( . . 6.11) -

.

Current Step Number

. Step End Time

.

.

.

Auto Time Stepping

.

243

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-

.

(Program Controlled), (On)

(Off) .

“On”

Define By): (Substeps)

(Time).

, -

(Initial Substeps), (Minimum Substeps) (Maximum Substeps) -

( . 6.59). -

(Initial Time Step), -

(Minimum Time Step) (Maximum Time Step) ( . 6.60).

“Off”

( Define By): -

(Number of Substeps)

(Time Step).

244

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-

, . -

.

Weak Springs -

.

,

.

.

COMBIN14.

(Program Controlled). -

. -

-

Messages.

(“On”) (“Off”) -

. “On”,

Solver Controls – Springs Stiffness,

245

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-

:

Program Controlled – -

;

Factor – , -

( -

Stiffness Factor) ( . 6.62);

Manual – -

( Springs Stiffness Value) ( . 6.63).

Large Deflection -

, -

. -

. , “On”.

Large Deflection ,

,

.

Inertia Relief

. (“Off”).

(“On”) , -

.

. , -

.

246

СПБГУАП

. ,

, . ,

, :

Force Convergence – ;

Moment Convergence – ;

Displacement Convergence – ;

Rotation Convergence – .

:

Program Controlled – -

;

On – ;

Remove – -

.

“On” :

Value – , -

. (ANSYS Calculated)

, .

-

;

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Toleran e – ,

, -

. ;

Minimum Reference – .

,

.

Value Minimum Reference .

, -

, . 6.65.

. 6.65

Line Search

-

. :

(

);

;

.

248

СПБГУАП

6.3.4.

Output Controls -

( . 6.66):

(Stress), (Strain), (Contact). (Calculate Results At)

, -

:

All Time Points – ;

Last Time Point – ;

Equally Spaced Time Point – -

.

(Number Of Time Points). , -

ANSYS -

, ,

1000.

6.3.5.

Analysis Data Management

( . 6.67).

, ,

Solver Files Directory.

.

249