Microstructure Interactive Computer Program Modules
Static & Dynamic Mechanical Behavior of Anisotropic Microstructures

- Modules -
(API)


Module Description
-ARCHIVE-
Access


 


Anisotropic Polar Diagrams


 
Module #1:
(JWave)
    Anisotropy: Hexagonal, Polar Plots: START
JWave-Files download
Module #2:
(NPIB)
    Anisotropy: Hexagonal, Polar Plots:
                                                                      NPIB-1.5: START
                        (Remote: submit to pse) NPIB-1.6: pse_START
                            (Local: submit to spe) NPIB-1.6: spe_START
NPIB-Files / download /
1.5: polar_.d
1.6: pse_polar_.d 1.6: spe_polar_.d


 


Anisotropic Tensor Representation Wave Surfaces


 
Module #3:
(NPIB)
    Anisotropy: Hexagonal, 3D Wave-Surfaces: START
NPIB-Files / download /
wavesurf_hex_.d
Module #4:
(NPIB)
    Anisotropy: Orthorhombic, 3D Wave-Surfaces: START
NPIB-Files / download /
wavesurf_orth_.d


 


"Type-I" & "Bi-directional" Laminates -- Stress "Free-Edge"


 
Module #5a:
(NPIB)
    Linear Elastic Laminated Thin Plate: Interior Stresses
    [0/45/-45/90]s Graphite/Epoxy "Type-I": START
    Results used by Module #6
NPIB-Files / download /
lelpa_a_.d
Module #5b:
(NPIB)
    Linear Elastic Laminated Thin Plate: Interior Stresses
    [0/90]s Glass/Epoxy "Bi-directional": START
    Results used by Module #7
NPIB-Files / download /
lelpa_b_.d
Module #6:
(NPIB)
    Generalized Plane Strain FEM: "Free-Edge" Stresses
    [0/45/-45/90]s Graphite/Epoxy "Type-I": START: 1.5, 1.6
    Description: theory of generalized plane strain,
    development of computer program, and
    computer program debug with simple examples.
NPIB-Files / download /
1.5: edge_.d
1.6: edge_.d
Module #7:
(NPIB)
    Generalized Plane Strain FEM: "Free-Edge" Stresses
    [0/90]s Glass/Epoxy "Bi-directional: START
    Compare with Pipes & Pagano (1970)
NPIB-Files / download /
wedge090_.d


 


"Type-II" Laminates With & Without "Ply- Cracks


 
Module #8:
(NPIB)
    Linear Elastic Laminated Thin Plate: Interior Stresses
    [0/90/45/-45]s Graphite/Epoxy "Type-II": START
    Results used by Modules #9 & #10
NPIB-Files / download /
lelpat2_.d
Module #9:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses: NO "Ply-Crack"
    [0/90/45/-45]s Graphite/Epoxy "Type-II": START
NPIB-Files / download /
nc4l_.d
Module #10:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses: "Ply-Crack"
    [0/90/45/-45]s Graphite/Epoxy "Type-II": START
NPIB-Files / download /
pc4l_.d


 


Woven-Nonwoven "Bi-directional" With-Without "Fill-Cracks"


 
Module #11:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses
    [0/90]si "Bi-directional" Nonwoven Glass/Epoxy: START
Module #12:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses: "Ply-Crack"
    [0/90]s "Bi-directional" Nonwoven Glass/Epoxy: START
Module #13:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses
    Stresses in [0/90]s 45o Woven Glass/Epoxy: START
Module #14:
(NPIB)
    Generalized Plane Strain FEM: Interior Stresses: "Fill-Crack"
    Stresses in [0/90]s 45o Woven Glass/Epoxy: START


 


Singularities Modelled: Analytic & FEM


 
Module #15a:
(NPIB)
    Singularities at Stress Free Edges Between Dissimilar
    Anisotropic Materials: Analytic (Stroh's Method) START
NPIB-Files /
download /
strohedge_.d
Module #15b:
(NPIB)
    Singularities at Ply Cracks Between Dissimilar
    Anisotropic Materials: Analytic (Stroh's Method) START
NPIB-Files /
download /
strohplycrack_.d
Module #16:
(NPIB)
    Singularities at Cracks in Homogeneous
    Anisotropic Materials: Enriched FEM (Benzley) START
Module #17:
(NPIB)
    Stress Concentrations in Homogeneous
    Anisotropic Media: (Mizra & Olson) START


 


Anisotropic FEM Wave Propagation


 
Module #18:
(NPIB)
    Wave Propagation Isotropic 1D:
    Bar Solution Comparison Analytic vs. FEM: START
NPIB-Files /
download /
wave1d_4x40_.d
Module #19:
(NPIB)
    Wave Propagation Anisotropic 2D:
    Small Grid (30x60): START
NPIB-Files /
download /
wave2d_30x60_.d
Module #20:
(NPIB)
    Wave Propagation Anisotropic 2D:
    Large Grid (45x180): START
NPIB-Files / download /
wave2d_45x180_.d


 


Continuum Models


 
Module #21:
(JWave)
    Thick-Walled Cylinder: START
JWave-Files /
download


 


NPIB1.5 Template


 
Template Module:
(NPIB1.5)
    NPIB1.5 template: START
         -How-to-create NPIB1.5 forms
         -How-to-use NPIB1.5 forms
npib1-5_template / download / Template_.d


 


Old NPIB Modules Archived


 
 
NPIB Version_1.4 Module Archive
 


Course content in this section: email Dr. Ron Kriz
Interactive Courseware Development Contact Dr. Ron Kriz
http://www.jwave.vt.edu/~rkriz/crcd/modules/modules.html
Created November 1997 / Modified June 16, 2001