Advanced research and consulting in:

• electromagnetic field manipulation
• acoustic wave control
• metasurface engineering
• inverse problems

REACH ODS
Research in Electromagnetic
and Acoustic Control

Near-Field Plane Wave Synthesis via Compact 3D Source

Dr. Daniel T. Onofrei is Professor of Mathematics and Electrical & Computer Engineering at the University of Houston. His research focuses on electromagnetic and acoustic field manipulation, inverse problems, and advanced wave propagation.

REACH ODS translates advabced mathematical theory into physically rigorous electromagnetic and acoustic system solutions.

Selected Professional Highlights

• Professor, University of Houston
• Maxwell and Helmholtz field synthesis
• Inverse scattering and active field control

• Near-field and far-field wave shaping
• Metasurface theory and wave engineering
• Over 40 Peer-reviewed publications

REACH ODS integrates mathematical analysis, computational modeling, and applied engineering to address complex wave control challenges.

View Curriculum Vitae (PDF)

Electromagnetic Field Control

Active synthesis, shaping, and stabilization of electromagnetic fields in complex environments, including layered media, open domains, and engineered surfaces.

Research Domains

Acoustic Wave Control

Deterministic manipulation of acoustic fields for shielding, communication, and localized sound zone synthesis in air and underwater environments.

Inverse Problems Engineering

Optimization-driven inverse design, scattering and sensitivity analysis for wave-based systems governed by PDE models.

Explore Domain

Electromagnetic Field Control

Dr. Daniel Onofrei has developed a mathematical and computational framework for the active manipulation of electromagnetic fields in free space, layered media, and waveguide environments.

This includes deterministic control of near-field distributions with prescribed far-field radiation characteristics.

Core Technical Areas

Active near-field / far-field pattern synthesis and control
Radar cross section (RCS) reduction via adaptive scattering
Surface-source and array-based electromagnetic control
Sensitivity analysis for EM stabilization under perturbations
Metasurface and structured material modeling
Drone-assisted adaptive beamforming

Prior Sponsored Research

AFOSR Young Investigator Award — Control of Electromagnetic Fields
Army Research Office (ARO) — Field control through active submanifold manipulation
ARL SMART Hub — Spectrum management and adaptive RF systems

Acoustic Wave Control

REACH ODS develops active acoustic control systems based on inverse source modeling and PDE-constrained optimization. This framework enables deterministic manipulation of sound fields in air, underwater, and layered acoustic environments

Core Technical Areas

Underwater acoustic communication enhancement
Active acoustic cloaking
Broadband and frequency-selective manipulation
Near-field synthesis with directional far-field control
Stability and robustness analysis under environmental perturbations
Layered and stratified ocean acoustic modeling
Personal sound zones and shielded communication

Prior Sponsored Research

ONR-funded work on active inverse source problems
Journal publications in Wave Motion, Acta Acoustica, Inverse Problems

Inverse Problems & Multiscale Engineering

REACH ODS integrates advanced applied analysis and computational optimization to solve inverse design problems in wave physics. This includes PDE-constrained optimization, multiscale modeling, and sensitivity analysis for wave-based systems governed by Maxwell and Helmholtz equations.

Core Technical Areas

PDE-constrained optimization
Sensitivity analysis for active control systems
Stability analysis of controlled wave systems
Inverse Homogenization and microstructure identification
Cloaking and transformation optics
Anomalous localized resonance (ALR)

Mathematical Foundation

Over 40 peer-reviewed publications in inverse problems, applied PDEs, metamaterials, and wave propagation. These methodologies support the design and analysis of advanced electromagnetic and acoustic control architectures.