1. We are applying science and technology to predict the performance of aged firing sets We developed a comprehensive, coupled 3D electromechanical. age-aware model of a slim loop ferroelectric (SFE) firing set and simulated its performance using the ASCI/SNL-developed EMMA computer code. Calculated and Measured Output Currents Propagation of Detonation in Section of Track Pressure Waves in Ceramic Buffer and Electric Field in a SFE Ceramic Plate Track Plate Electromechanical Firing Set

2. We are applying science and technology to predict the performance of aged firing sets We developed a comprehensive, 3D electromechanical, age-aware model of a slim loop ferroelectric (SFE) firing set and simulated its performance using the ASCI/SNL-developed EMMA computer code. Calculated and Measured Output Currents Propagation of Detonation in Section of Track Plate Pressure Waves in Ceramic Buffer and Electric Field in a SFE Ceramic Plate Track Plate TRANSDUCER OUTPUT CABLES ISOLATION PLATE TRACK PLATE COVER PLATE DETONATOR HOLDER CERAMIC BACKUP PLATE SFE CERAMIC STACK BUFFER PLATE EXPLOSIVE LENS SPRING HOLD DOWN OUTPUT PLATE AND EXPLOSIVE PELLETS Exploded View of Electromechanical Firing Set Electromechanical Firing Set

3. TRANSDUCER OUTPUT CABLES ISOLATION PLATE TRACK PLATE COVER PLATE DETONATOR HOLDER CERAMIC BACKUP PLATE SFE CERAMIC STACK BUFFER PLATE EXPLOSIVE LENS SPRING HOLD DOWN OUTPUT PLATE AND EXPLOSIVE PELLETS

4. TRANSDUCER OUTPUT CABLES ISOLATION PLATE TRACK PLATE COVER PLATE DETONATOR HOLDER CERAMIC BACKUP PLATE SFE CERAMIC STACK BUFFER PLATE EXPLOSIVE LENS SPRING HOLD DOWN OUTPUT PLATE AND EXPLOSIVE PELLETS SWITCHES

5. We developed a comprehensive, 3D electromechanical, age-aware model of a slim loop ferroelectric (SFE) firing set and simulated its performance using the ASCI/SNL-developed EMMA computer code. Calculated and Measured Output Currents Electromechanical Firing Set Propagation of Detonation in Section of Track Plate Pressure Waves in Ceramic Buffer and Electric Field in a SFE Ceramic Plate Track Plate TRANSDUCER OUTPUT CABLES ISOLATION PLATE TRACK PLATE COVER PLATE DETONATOR CERAMIC BACKUP PLATE SFE CERAMIC STACK BUFFER PLATE EXPLOSIVE LENS SPRING HOLD DOWN OUTPUT PLATE AND EXPLOSIVE PELLETS Exploded View of Electromechanical Firing Set

6.  2 x i /  t 2 = T ij /  x j +  b i  /  x i (  ij  /  x j ) =  P i /  x i Q i = C ij  j + S i EMMA’s algorithms solve coupled models for electromechanical phenomenaEMMA Continuum Model (Newton’s Laws) + Quasi-Static Approximation to Maxwell’s Equations Circuit Model (Kirchoff’s Laws) +......

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