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# Sensors & NDT Application Pages

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### 3-D Static Force Benchmark (T.E.A.M. Problem 20)

This rig is made from a steel center pole and yoke. The center pole is surrounded by a copper coil excited by a DC current. This problem shows the ability of MagNet for SOLIDWORKS to solve Static Magnetic Problem involving force and magnetic field calculations.

### Design Optimization of an NDT Sensor Probe

Design of the probe and its suitability for detecting particular types of defects: starting from a model based on the WFNDEC Eddy Current Benchmark Problem 2, OptiNet was used to determine the optimal coil geometry and frequency at which the inspection should be performed.

### Detecting a Crack - A Problem in N.D.T. (T.E.A.M. Problem 8)

In this example, MagNet simulates an eddy current NDT problem: detecing the crack in a stainless steel block with a solenoid probe moving across its surface. The objective is to detect a crack by measuring the difference of magnetic fluxes through two solenoids.

### Detecting Flaws and Nondestructive Evaluation (T.E.A.M. Problem 15)

This example demonstrates how MagNet can be used for non-destructive testing/evaluation and sensor problems. A circular coil moves along an aluminum plate that contains a slot. The goal of is to detect the slot by calculating the resistance and inductance of the driving coil at various positions.

### Eddy Current NDT and Deep Flaws (T.E.A.M. Problem 27)

A coil is stationary over a sheet of aluminum that contains a screw hole. Inside of the screw hole, a flaw is to be detected by two Hall effect sensors. The sensors are used to measure the horizontal differential flux density .

### Eddy Current NDT and Deep Flaws (T.E.A.M. Problem 27)

In this example, a sheet of aluminum contains a screw hole with a flaw inside. The flaw is to be detected using the eddy current method. A coil is stationary above the screw hole, which generates eddy currents inside of the aluminum. Two diametrically opposed Hall effect sensors measure the horizontal differential flux density at the surface of the screw hole.