Data-Base Workflow. From Raw Material Data to Simulation input

Data-Base Workflow

General Workflow Overview – Raw Data

MATERIAL DATA BASE

Data Reduction

Material Spec

Simulation

Design

Productio

n

Raw Data

Raw Material specifications

Manufacturer details – Material Batches – Storing – Expiring Dates – Resin spec. – Reinforcement spec.



Material quality assessments

Manufacturing

Types of manufacturing (hand-lay-up, automated lay-up, RTM…) – Curing conditions – Cutting spec. – Post-curing inspections (degree of curing, FVF, dimensional

inspections, C-Scan…)



Specimen quality assessments

Test Specification

Tests description (standard, non-standard…) – Test environmental conditioning – Test Data acquisition methods – Specimens dimensions…

Raw Test Data

Data points, Failure modes , Test conditions…



Data quality assessments

Material entry

and

General Workflow Overview – Raw Data

MATERIAL DATA BASE

Data Reduction

Material Spec

Raw Data

Raw Material specifications

Manufacturer details – Material Batches – Storing – Expiring Dates – Resin spec. – Reinforcement spec.



Material quality assessments

Manufacturing

Types of manufacturing (hand-lay-up, automated lay-up, RTM…) – Curing conditions – Cutting spec. – Post-curing inspections (degree of curing, FVF, dimensional

inspections, C-Scan…)



Specimen quality assessments

Test Specification

Tests description (standard, non-standard…) – Test environmental conditioning – Test Data acquisition methods – Specimens dimensions…

Raw Test Data

Data points, Failure modes, Test conditions…



Data quality assessments

Aims:

•

Traceability

•

Quality assessment checks

•

Data collections entry per

material types and per tests

Material type

Tensile Comp. … test

cond.

Simulation

Design

Production

General Workflow Overview

MATERIAL DATA BASE

Material Spec

Raw Data

Data Reduction

Material Data / Tests types

• Specimens data (points/ fitted curves) – Variables min, max, average, standard deviation, coefficient of variability – SN curves…

• Cross comparison of failure modes (collecting a image library)

• Variable statistical analysis (Comparing means, Confidence Intervals, distributions, A-Basis, B-Basis, Gokhale… )



Variable quality assessments

Material

and

Tests

Data

Simulation

Design

Production

General Workflow Overview

MATERIAL DATA BASE

Material Spec

Raw Data

Data Reduction

Material Data / Tests types

• Specimens data (points/ fitted curves) – Variables min, max, average, standard deviation, coefficient of variability – SN curves…

• Cross comparison of failure modes (collecting a image library)

• Variable statistical analysis (Comparing means, Confidence Intervals, distributions, A-Basis, B-Basis, Gokhale… )



Variable quality assessments

Aims:

•

Traceability

•

Justification for withdraw

‘out-layer’ data points

•

Reducing data points per

tests to one averaged

variable

Material type

Tensile Comp. … test

cond.

Simulation

Design

Production

General Workflow Overview

MATERIAL DATA BASE

Raw Data

Data Reduction

Material Spec

Final Material specification file

(validated data by Material Department)

List of Material variables to be used for simulations transfer via input files to

the design office

Material

and

Tests

Data

E1 Young modulus in X

E2 Young modulus in Y direction

E3 Young modulus in Z direction

G12 Shear Stress modulus

G23 Shear Stress modulus

G13 Shear Stress modulus

n12 Poisson ratio

n22 _{Poisson ratio}

n13 Poisson ratio

XT Stress limit in tension in X direction

YT _{Stress limit in tension in Y direction}

XC Stress limit in compression in X direction

YC Stress limit in compression in Y direction

/!\

Not exhaustive list

Can be customized

to the Design office

needs

Simulation

Design

Production

General Workflow Overview

MATERIAL DATA BASE

Raw Data

Data Reduction

Material Spec

Final Material specification file

(validated data by Material Department)

List of Material variables to be used for simulations transfer via input files to

the design office

E1 Young modulus in X

E2 Young modulus in Y direction

E3 Young modulus in Z direction

G12 Shear Stress modulus

G23 Shear Stress modulus

G13 Shear Stress modulus

n12 Poisson ratio

n22 _{Poisson ratio}

n13 Poisson ratio

XT Stress limit in tension in X direction

YT _{Stress limit in tension in Y direction}

XC Stress limit in compression in X direction

YC Stress limit in compression in Y direction

/!\

Not exhaustive list

Can be customized

to the Design office

needs

Aims:

•

Direct Data Transfer per

material type

Material type

Tensile Comp. … test

cond. Var. Avg. Var. Avg. Avg / test

Variables

Simulation

Design

Production

General Workflow Overview

MATERIAL DATA BASE

Raw Data

Data Reduction

Material Spec

Final Material specification file

(validated data by Material Department)

List of Material variables to be used for simulations transfer via input files to

the design office

E1 Young modulus in X

E2 Young modulus in Y direction

E3 Young modulus in Z direction

G12 Shear Stress modulus

G23 Shear Stress modulus

G13 Shear Stress modulus

n12 Poisson ratio

n22 _{Poisson ratio}

n13 Poisson ratio

XT Stress limit in tension in X direction

YT _{Stress limit in tension in Y direction}

XC Stress limit in compression in X direction

YC Stress limit in compression in Y direction

/!\

Not exhaustive list

Can be customized

to the Design office

needs

Aims:

•

Direct Data Transfer per

material type

•

Data access can be filtered

by User ID (Material

engineer, Design office

engineer, Chief engineer…)

Material type

Tensile Comp. … test

cond. Var. Avg. Var. Avg. Avg / test

Variables

Simulation

Design

Part ID

Simulation

Design

Production

General Workflow Overview

INPUT Files

Test Raw Data

points

+

Constituents

traceability

OUTPUT Files

Variables