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Lecture 6: Introduction to Optimetrics - parametric second derivative calculator

Lecture 6: Introduction to Optimetrics
2015.0 Release
ANSYS HFSS for Antenna Design
1 ? 2015 ANSYS, Inc. May 6, 2015 Release 2015.0
Introduction
? Optimization
? A process of finding a better or more suitable design instance among the possible design variations
? Optimetrics is an add-on module which provides numerous analysis tools
? Parametric
? Optimization
? Sensitivity
? Statistical
? Tuning
? Analytic Derivatives
? Allows centralized control of design iterations from one common interface
? Optimetrics allows the user to:
? Automate parametric sweeps
? Perform real time parameter tuning using Analytic Derivatives
? Identify performance specifications to optimize
? Perform sensitivity and statistical analysis on optimized model
- Optimization via a Surface Response using Design of Experiments (DOE)
- Six Sigma Analysis
2 ? 2015 ANSYS, Inc. May 6, 2015 Release 2015.0
Using Optimetrics
? Process
? Create parameterized model
? Define design parameters to vary
- Model geometry, material properties, etc.
? Perform analyses
- Parametric
- Optimization
- Sensitivity
- Statistical
- Tuning
? Where can it be used?
? User may apply parameterization at all modeling stages
- Geometry (size, shape, orientation, quantity, etc.)
- Materials (lossless, complex, anisotropic, etc.)
- Boundaries (impedance/conductance boundaries, linked boundary scan angles, symmetry or mode cases, etc.)
- Solution setup
- Post Processing Quantities (Port magnitude/phase, De-embedding, etc.)
? Once model is parameterized, optimization can be performed toward an extensive array of cost functions
- Circuit parameters (S, Z, or Y-parameters)
- Antenna patterns (Directivity, gain, axial ratio, etc.)
- Emissions
- Derived field quantities (radiated power, etc.)
3 ? 2015 ANSYS, Inc. May 6, 2015 Release 2015.0

What does D 2y dx 2 mean? Furthermore, What does D 2y dx 2 mean?, D ^ 2y / dx ^ 2 means 2 time derivative and. (Dy/ DX )^ 2 means 1 times derivative and square of 1 time derivative. For example, Letâ€™s take. Y=x. Finally, Why is second derivative d2y dx2?, The derivative with respect to x is d/dx, so the derivative of the derivative of y is (d/dx) (d/dx)y, or ddy/dxdx.

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