Föreläsning 1 Flashcards

0
Q

Spänning

A

Kraften per ytenhet, sigma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Jämvikt

A

Dragkraft: N-P=0, sigma=P/A
Tryckkraft: N+P=0,sigma=-P/A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Medelspänning

A

Sigma=N/A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Normaltöjning

A

Epsilon=delta/L0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Deformationssamband

A

Samband mellan deformationer och töjningar där de i systemet ingående delarna.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Naturlig töjning

A

Epsilon=ln(L/L0)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Hookes lag

A

Sigma=E*epsilon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Konstitutiva samband

A

Matematiska samband som beskriver materialbeteenden.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tre typer av samband ( arbetsgång)

A
  1. Samband mellan krafter (jämviktsekvationer)
  2. Samband mellan deformationer (deformationssamband)
  3. Samband mellan krafter och deformationer (konstitutiva samband)
    Kombinera sedan dessa!
How well did you know this?
1
Not at all
2
3
4
5
Perfectly