PREFACE

1. Some topics on elastic metamaterials

THEME ON ELASTIC METAMATERIALS_REVIEW

1. Topological materials for elastic wave in continuum

THEME ON ELASTIC METAMATERIALS_RESEARCH PAPER

1. Cubic-symmetry acoustic metamaterials with roton-like dispersion relations
2. Learning to inversely design acoustic metamaterials for enhanced performance
3. Glide-reflection symmetric phononic crystal interface:variation on a theme
4. Diode behaviors of curved elastic wave metamaterials with a nonlinear granular chain
5. Design of compliant mechanisms for origami metamaterials
6. Dynamic phononic crystals with spatially and temporally modulated circuit networks
7. Design of two-dimensional extremal material based on truss lattices

EXTREME MECHANICS_RESEARCH PAPER

1. Dynamic impact constitutive model of 6008 aluminum alloy based on evolution dislocation density

FLUID MECHANICS_RESEARCH PAPER

1. Transient heat transfer characteristics in spray cooling
2. Arch-supported structures with different geometries in wind flow
3. Rogue waves for resonant triads in stratified fluids with a sharply peaked buoyancy frequency profile
4. A low-dissipation WENO-THINC scheme for freestream and vortex preservation on general curvilinear grids

BIOMECHANICS_RESEARCH PAPER

1. Theoretical modeling of the mechanical properties of biological fibers and bundles with hierarchical chiral structures

1. A SHORT BIOGRAPHY（Young Editors）
2. Acta Mechanica Sinica
3. ACTA MECHANICA SINICA Volume 39 Number 8 August 2023 contents