A statevector-emulated HHL solver applied to Carleman-linearized lattice Boltzmann equations achieves about 10^-3 fidelity on tiny 2D benchmarks, but physical accuracy is dominated by the Carleman truncation error, not the quantum solver.
Encode the vector ⃗b into the system register while initializing all other qubits in state|0⟩
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Practical Application of the Quantum Carleman Lattice Boltzmann Method in Industrial CFD Simulations
A statevector-emulated HHL solver applied to Carleman-linearized lattice Boltzmann equations achieves about 10^-3 fidelity on tiny 2D benchmarks, but physical accuracy is dominated by the Carleman truncation error, not the quantum solver.