Difference between revisions of "v0.31:Strain at yield"

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'''Strain at yield''' is a [[Material science|property]] of [[material]]s. As with [[Material science#Mechanical Performance Properties|yield and fracture]], there are six types of strain at yield, one for each of the six forces: impact, compressive, tensile, torsion, shear, and bending. Although in real life it represents the level of strain when forced by one of the forces, it is simplified greatly. Only impact strain at yield has been verified to have an effect.
  
Impact and Shear Elasticity are values associated with the material raws in versions df_31_01 and later. They affect combat, primarily what happens when something is struck.
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A higher number means more strain (more flexible). A lower number means less strain (more rigid).
  
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==Strain at yield of materials==
  
==Impact Elasticity==
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Strain at yield of materials is defined by the following tokens:
  
[IMPACT_ELASTICITY:n]
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* [IMPACT_STRAIN_AT_YIELD]
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* [COMPRESSIVE_STRAIN_AT_YIELD]
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* [TENSILE_STRAIN_AT_YIELD]
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* [TORSION_STRAIN_AT_YIELD]
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* [SHEAR_STRAIN_AT_YIELD]
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* [BENDING_STRAIN_AT_YIELD]
  
A very low elasticity will cause the object to shatter when struck, even when struck by an edged weapon.
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As stated above, only [IMPACT_STRAIN_AT_YIELD] has been observed to affect the material. Lower strain at yield materials will shatter when hit by an impact, even if the impact is an edge weapon.
  
 
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{| class="wikitable"
{| border="1"
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! Material
|Stone, Bone, Tooth, Horn, Hoof, Pearl, Shell, Soap, Tallow, Chitin, Most frozen liquids
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! Strain at yield
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|-
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|[[Stone]], [[Bone]], [[Tooth]], [[Horn]], [[Hoof]], [[Pearl]], [[Shell]], [[Soap]], [[Tallow]], [[Chitin]], Most frozen liquids
 
|100
 
|100
 
|-
 
|-
|Metal, Wood, Plant, Seed, Powder
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|[[Metal]] template, [[Wood]] template, [[Plant]] template, [[Seed]] template, most [[Powder|powders]]
 
|1000
 
|1000
 
|-
 
|-
|Nail
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|[[Nail]]
 
|5000
 
|5000
 
|-
 
|-
|Cartilage
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|[[Cartilage]]
 
|25000
 
|25000
 
|-
 
|-
|Skin, Fat, Muscle, Sinew, Nerve, Organs, Leather, Cheese, Leaf
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|[[Skin]], [[Fat]], Muscle, Sinew, Nerve, [[Organ]] template, [[Leather]], [[Cheese]], [[Quarry bush|Leaf]]
 
|50000
 
|50000
 
|-
 
|-
|Hair, Feather, Scale, Silk, Thread
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|[[Hair]], Feather, [[Scale]], [[Silk]], [[Thread]]
 
|100000
 
|100000
 
|}
 
|}
  
 
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{{Category|Materials|*}}
 
 
==Shear Elasticity==
 
{{av}}
 

Latest revision as of 05:41, 1 September 2016

This article is about an older version of DF.

Strain at yield is a property of materials. As with yield and fracture, there are six types of strain at yield, one for each of the six forces: impact, compressive, tensile, torsion, shear, and bending. Although in real life it represents the level of strain when forced by one of the forces, it is simplified greatly. Only impact strain at yield has been verified to have an effect.

A higher number means more strain (more flexible). A lower number means less strain (more rigid).

Strain at yield of materials[edit]

Strain at yield of materials is defined by the following tokens:

  • [IMPACT_STRAIN_AT_YIELD]
  • [COMPRESSIVE_STRAIN_AT_YIELD]
  • [TENSILE_STRAIN_AT_YIELD]
  • [TORSION_STRAIN_AT_YIELD]
  • [SHEAR_STRAIN_AT_YIELD]
  • [BENDING_STRAIN_AT_YIELD]

As stated above, only [IMPACT_STRAIN_AT_YIELD] has been observed to affect the material. Lower strain at yield materials will shatter when hit by an impact, even if the impact is an edge weapon.

Material Strain at yield
Stone, Bone, Tooth, Horn, Hoof, Pearl, Shell, Soap, Tallow, Chitin, Most frozen liquids 100
Metal template, Wood template, Plant template, Seed template, most powders 1000
Nail 5000
Cartilage 25000
Skin, Fat, Muscle, Sinew, Nerve, Organ template, Leather, Cheese, Leaf 50000
Hair, Feather, Scale, Silk, Thread 100000